The midpoint formula calculates the price elasticity of demand by dividing the percentage change in purchase quantity by the percentage change in price. The percentage changes are found by subtracting the original and updated values and then dividing the result by their average. If a negative value results, simply discard the …The midpoint M of the points (x1,y1) and (x2,y2) is found by. M = ( x1 + x2 2, y1 +y2 2). As you can see above, the each coordinate of M is the average of the corresponding coordinates of the endpoints. I hope that this was helpful. Wataru · 2 · Nov 1 2014. The midpoint formula in economics is [(Q2 – Q1) / ((Q1 + Q2) / 2)] / [(P2 – P1) / ((P1 + P2) / 2)]. This formula represents the percent of change in quantity demanded over the perc...The Midpoint Method. To calculate elasticity, we will use the average percentage change in both quantity and price. This is called the midpoint method for elasticity and is represented by the following equations: percent change in quantity = Q2 −Q1 (Q2 +Q1)÷2 ×100 percent change in quantity = Q 2 − Q 1 ( Q 2 + Q 1) ÷ 2 × 100. percent ...Unit test. Test your understanding of Analytic geometry with these % (num)s questions. In analytic geometry, also known as coordinate geometry, we think about geometric objects on the coordinate plane. For example, we can see that opposite sides of a parallelogram are parallel by writing a linear equation for each side and seeing that the ...Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. This is the Midpoint Formula: The midpoint of the line segment connecting the points (x 1, y 1) and (x 2, y 2) is (x 1 + x 2 2, y 1 + y 2 2). It should hopefully make sense that the midpoint of a line is found by taking the average values of the x and y − values of the endpoints. The midpoint of a segment is the point on the segment that is equidistant from the endpoints. The midpoint is the point on the segment halfway between the endpoints. Method 1: Counting. It may be the case that the midpoint of a segment can be found simply by counting. If the segment is horizontal or vertical, you can find the midpoint by ...Google Classroom. You might need: Calculator. A line intersects x and y axes at two distinct points A and C respectively. The mid-point of the line segment A C ― lies at B ( − 5, 9) . Find the distance of point A from the origin O . O A = units. Show Calculator. The class midpoint, or class mark, is calculated by adding the lower and upper limits of the class and dividing by two. The class midpoint is sometimes used as a representation of ...The midpoint M of the points (x1,y1) and (x2,y2) is found by. M = ( x1 + x2 2, y1 +y2 2). As you can see above, the each coordinate of M is the average of the corresponding coordinates of the endpoints. I hope that this was helpful. Wataru · 2 · Nov 1 2014.The midpoint formula is used to identify the coordinates of the midpoint of the line segment. This formula used for the midpoint theorem is familiar to high school students. The point that is equidistant from two points, A (x 1, y 1) and B (x 2, y 2), on a line segment, is known as the midpoint. Study material.Midpoint. In geometry, the midpoint is a point that is in the middle of a line segment. It is the point that divides a line segment into two congruent line segments. We can find the coordinates of the midpoint of a line …Calculate the midpoint using the Midpoint Formula for any two points step-by-step. midpoint-calculator. en. Related Symbolab blog posts. Slope, Distance and More. Ski Vacation? Nope, this is serious stuff; it’s about finding the slope of a line, finding the equation of a line...The midpoint formula: ( x m, y m) = ( x 1 + x 2 2, y 1 + y 2 2) Substitute in the given values and variables: ( 9.5, 6) = ( 3 + x 2, 5 + y 2) This can be re-written as two equations: 9.5 = 3 + x 2; 6 = 5 + y 2. Multiply each side by 2: 19 = 3 + x; 12 = 5 + y. Isolate the variables: 16 = x; 7 = y. Midpoint of Line Segment.©a t2I0 x1p1 V TK WuOtFaQ iS6o8f StYw ca drNee rLGLTC8. 6 f hA VlFlq RrCiEg lh0t PsI 7r PeJs Re 7rRvHesdf. y j 2M eald je w Aw 7i Mtrh e mI1nDfeiynHiPtte g zGxe fo Em ue ft hrNyR.Learn how to find the midpoint of two points using a general formula that involves the average of the x- and y-coordinates. See how to plot the points, plot the midpoint, and solve practice problems with the formula. What does working capital mean and how does it impact your business? Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for education and inspirat...Improve your math knowledge with free questions in "Midpoint formula: find the midpoint" and thousands of other math skills.Getting the average of both x – and y – coordinates, we get (5+7)/2 = 6 and (1+3)/2 = 2. Pairing our answers, we then have that the midpoint of the segment is (6, 2). The midpoint formula is essential in many real life situations. For example, you want to cut a stick in half but you don’t have any measuring devices.Midpoint and Distance Formula: GCSE Questions. Videos, games, activities and worksheets that are suitable for GCSE Maths to help students learn how to find the mid-point and distance of a line segment. Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own …3 Answers. Sorted by: 2. (b) is correct! For (c): O +b + (1 2BA→) = O +b + 1 2(−b +a) = O + 1 2(b +a) this is OM→ = M. If this isn't clear, you can imagine it as the half way point between a and b, so add them together and divide by two, in order to get the same result. Now that we have an expression for M, we're almost done!Dec 16, 2019 · Use the Midpoint Formula to find the midpoint of the line segments whose endpoints are \((−2,−5)\) and \((6,−1)\). Plot the endpoints and the midpoint on a rectangular coordinate system. Answer Figure 11.1.8 The midpoint rule of calculus is a method for approximating the value of the area under the graph during numerical integration. This is one of several rules used for approximation ...Use the Midpoint Formula. It is often useful to be able to find the midpoint of a segment. For example, if you have the endpoints of the diameter of a circle, you may want to find the center of the circle …‼️SECOND QUARTER‼️🔵 GRADE 10: THE MIDPOINT FORMULA🔵 GRADE 10 PLAYLISTFirst Quarter: https://tinyurl.com/y2tguo92 Second Quarter: https://tinyurl.com ...Mid-Point Theorem Formula. In Coordinate Geometry, the midpoint theorem refers to the midpoint of the line segment. It defines the coordinate points of the midpoint of the line segment and can be found by taking the average of the coordinates of the given endpoints. The midpoint formula is used to determine the midpoint between the two given ...So once again, our change in quantity is plus 2, and our change in price is negative 1. And our elasticity of demand-- change in quantity-- 2 over average quantity, which is 17. Change in price is negative 1 over average price-- 1 plus 2 divided by 2 is $1.50. Or $1.50 is right in between these two-- divided by $1.50.Midpoint Formula also helps us in finding the exact coordinate of an endpoint if the coordinates of another endpoint and coordinates of the midpoint are given. Midpoint generally means a point on a plane or line segment which is at an equal distance from both the end points. In clear terms, it divides the segment in equal halves or bisects it.c = , which is 17, the same result as from the Distance Formula.” Midpoint “From the graph of the hypotenuse, the line joining the two ordered pairs (−10, 0) and (10, 2), it looks like the midpoint is close to the origin.” “Is the midpoint of the base of the triangle near the y-axis?” (yes) “Let’s find out where the midpoint is.The coordinates of the midpoint M of a line segment AB Midpoint Formula We will discuss here how to use the midpoint formula to find the middle point of a line segment joining the two co-ordinate points.The class midpoint, or class mark, is calculated by adding the lower and upper limits of the class and dividing by two. The class midpoint is sometimes used as a representation of ...Example 2. Find the midpoint between the points P (-3,5) and Q (2,-1). We do the same thing as before. Find the average of the x-coordinates and find the average of the y-coordinates. Just make sure to be extra careful when adding positive and negative numbers together! The average of the x-coordinates is -1/2, or -.5. The midpoint formula for elasticity is the percentage change in quantity demanded divided by the percentage change in price. The equation may be complex for some because of all the...Let’s discuss methods that are commonly used to determine the midpoint of a line segment. 1. Formula Method. Use the midpoint formula to find the coordinates of the midpoint. Example: The points P(-4, 2) and Q(2, 2) are the endpoints of the line segment PQ. So, to find the midpoint of the line segment, we use the formula: Both the Distance Formula and the Midpoint Formula depend on two points, (x 1, y 1) (x 1, y 1) and (x 2, y 2). (x 2, y 2). It is easy to confuse which formula requires addition and which subtraction of the coordinates. If we remember where the formulas come from, is may be easier to remember the formulas. Write the Equation of a Circle in ...This video shows you the complete derivation of the midpoint formula clearly in the cartesian coordinate system.For the full-length course on coordinate geom...Derived from the Pythagorean Theorem, the distance formula is used to find the distance between two points in the plane. The Pythagorean Theorem, a2 +b2 = c2 a 2 + b 2 = c 2, is based on a right triangle where a and b are the lengths of the legs adjacent to the right angle, and c is the length of the hypotenuse. CAGR and the related growth rate formula are important concepts for investors and business owners. In this article, we'll discuss all you need to know about CAGR. Let's get started...The midpoint is the point that divides a line segment into two equal parts. In geometry, the midpoint theorem is a theorem that tells us what happens when the …Midpoint Formula. The midpoint between two points P and Q is the point on the line segment PQ that is halfway between P and Q. The formula for the midpoint is , where the coordinates of P are and the coordinates of Q are. Example: Find the midpoint of the line segment between P (-1, 5) and Q ( 4, 3) Solution. Using the formula the …Midpoint Formula is used to find the exact midpoint of a line segment. Sometimes you will have to find the number that is exactly half of two numbers. For that, you find an average of the two numbers. In a similar manner, we use the midpoint formula in coordinate geometry to find the midway number ...Learn how to use the midpoint formula to find the midpoint of a line segment on the coordinate plane, or find the endpoint of a line segment given one point and the midpoint. See examples, video, and questions from other users on this topic of analytic geometry. Jun 10, 2023 · Mid Point Formula is a foundational concept in coordinate geometry and it plays a crucial role in finding the midpoint of a line segment. There are instances in Coordinate Geometry where we need to know the mid-point of two given points or the mid-point of a line segment, where the midpoint formula comes in handy as it is a simple and effective way to calculate the midpoint of any given line ... Jun 10, 2023 · Mid Point Formula is a foundational concept in coordinate geometry and it plays a crucial role in finding the midpoint of a line segment. There are instances in Coordinate Geometry where we need to know the mid-point of two given points or the mid-point of a line segment, where the midpoint formula comes in handy as it is a simple and effective way to calculate the midpoint of any given line ... The midpoint formula requires us to plot points and a thorough knowledge of fractions. In this section, we will go over: What is the Midpoint Formula? How to Find the Midpoint …Learn how to find the midpoint of a line segment in the coordinate plane using the midpoint formula. The formula involves taking the average of the x- and y-coordinates of two points on a graph.We take the mystery out of the percent error formula and show you how to use it in real life, whether you're a science student or a business analyst. Advertisement We all make mist...So the answer is P = (1, –2). Technically, the Midpoint Formula is the following: The Midpoint Formula: The midpoint of two points, (x1, y1) and (x2, y2) is the point M found by the following formula: But as long as you remember that you're averaging the two points' x - and y -values, you'll do fine. It won't matter which point you pick to be ... Formula Definition: The above midpoint formula is tightly related with the distance formula. Indeed, what the above formula does is very simply that it takes the average of the two corresponding coordinates. The midpoint method uses the average or the midpoint between two data points to calculate the percent change in the price of a good and its percent change in ...Understand the concept of Distance Formula here. Midpoint Formula. When we need to find the coordinates of a point that lies exactly at the center of any given segment we use the midpoint formula. The midpoint formula is, P={(x 1 +x 2)/2,(y 1 +y 2)/2} Breaking it down, the x-coordinate is (x 1 +x 2)/2 and the y-coordinate is (y 1 +y 2)/2This is a fun way to memorize the midpoint and distance formula. Enjoy!To the tune of "Twist and Shout" by the Beatles. Lyrics by Russell SpicerFor the pur...So once again, our change in quantity is plus 2, and our change in price is negative 1. And our elasticity of demand-- change in quantity-- 2 over average quantity, which is 17. Change in price is negative 1 over average price-- 1 plus 2 divided by 2 is $1.50. Or $1.50 is right in between these two-- divided by $1.50. Derived from the Pythagorean Theorem, the distance formula is used to find the distance between two points in the plane. The Pythagorean Theorem, a2 +b2 = c2 a 2 + b 2 = c 2, is based on a right triangle where a and b are the lengths of the legs adjacent to the right angle, and c is the length of the hypotenuse. Answer: Distance: 2√2 units; midpoint: ( − 3, − 4) Example 8.1.2: The diameter of a circle is defined by the two points ( − 1, 2) and (1, − 2). Determine the radius of the circle and use it to calculate its area. Solution. Find the …The Midpoint Method. To calculate elasticity, we will use the average percentage change in both quantity and price. This is called the midpoint method for elasticity and is represented by the following equations: percent change in quantity = Q2 −Q1 (Q2 +Q1)÷2 ×100 percent change in quantity = Q 2 − Q 1 ( Q 2 + Q 1) ÷ 2 × 100. percent ...The midpoint formula is used to identify the coordinates of the midpoint of the line segment. This formula used for the midpoint theorem is familiar to high school students. The point that is equidistant from two points, A (x 1, y 1) and B (x 2, y 2), on a line segment, is known as the midpoint. Study material.In this section, you will get some practice computing the price elasticity of demand using the midpoint method. The Midpoint Method To calculate elasticity, we will use the average percentage change in both quantity and price. This is called the midpoint method for elasticity and is represented by the following equations:The midpoint formula requires us to plot points and a thorough knowledge of fractions. In this section, we will go over: What is the Midpoint Formula? How to Find the Midpoint …Yes, there is an endpoint formula. It is derived from the midpoint formula and assumes that endpoint A and midpoint M are known. Given: Endpoint B (Xb, Yb), Endpoint A (Xa, Ya), Midpoint (Xm, Ym ...Solution: We know that the center is the midpoint of the diameter of a circle. If the coordinates of the endpoints of the diameter are (8, -7) and (4, 5), then the coordinates of the center of the circle can be calculated using the midpoint formula: (h, k) = [(x 1 + x 2]/2, [y 1 + y 2]/2). After substituting the value of x 1 = 8, x 2 = 4, y 1 ...24 Apr 2015 ... On this lesson, you will learn how to find the midpoint of a line segment using the midpoint formula. (Algebra, Geometry) This lesson ...The female boss of the W Series says it's time to try something new to get women on the championship grid. Formula 1 is one of the few sports in which both sexes are free to compet...Distance Formula and Midpoint Calculator Program for TI-84. Easily program your calculator to solve the distance formula with our easy quick tutorial. Either download the program directly to your calculator (don't worry we'll walk you through it) or type the code in.Aug 3, 2023 · Thus, E is the midpoint of AC, which proves the converse of the midpoint theorem. Formula. The midpoint formula helps to find the midpoint between the two given points. If M (x 1, y 1) and N (x 2, y 2) are the coordinates of the two given endpoints of a line segment, then the mid-point (x, y) formula will be given by Hi guys! This video discusses how to use the distance and midpoint formula. Basically, given two points with coordinates, we can find the distance between th...The Midpoint Formula can be used any time you have three points where one is exactly midway between the other two points. Examples are finding perpendicular bisectors of line segments, and finding a circle's center from the two endpoints of …Explains the Midpoint Formula to find the coordinate point on a line segment that is exactly one-half the distance between two unique points on that same ...Dec 31, 2023 · Applying the Midpoint Formula. Applying the midpoint formula is a magical adventure, where we embark on a quest to find the treasure, the midpoint, with our mathematical compass. The formula requires the coordinates of the endpoints of a line segment, (x1, y1) and (x2, y2). You can also use this midpoint method calculator to find any of the values in the equation (P 0 P_0 P 0 , P 1 P_1 P 1 , Q 0 Q_0 Q 0 , or Q 1 Q_1 Q 1 ). Simply input all of the remaining variables, and the result will be calculated automatically.Formula Definition: The above midpoint formula is tightly related with the distance formula. Indeed, what the above formula does is very simply that it takes the average of the two corresponding coordinates. Learn how to find the midpoint of a line segment using the formula (x1 + x2)/2, (y1 + y2)/2, where (x1, y1) and (x2, y2) are the endpoints. See examples, derivation, and related formulas for midpoint.Find the missing coordinate point using the following information: (8,3)=midpoint coordinates. (3,1)=first set of coordinates. (x,y)=second set of coordinates. In this practice you must find a missing coordinate, however, you can use the midpoint formula to find the missing coordinate. Just plug in all the information you have in the …c = , which is 17, the same result as from the Distance Formula.” Midpoint “From the graph of the hypotenuse, the line joining the two ordered pairs (−10, 0) and (10, 2), it looks like the midpoint is close to the origin.” “Is the midpoint of the base of the triangle near the y-axis?” (yes) “Let’s find out where the midpoint is.Numerically, the midpoint of a segment can be considered to be the average of its endpoints. This concept should help in remembering a formula for finding ...This is the Midpoint Formula: The midpoint of the line segment connecting the points (x 1, y 1) and (x 2, y 2) is (x 1 + x 2 2, y 1 + y 2 2). It should hopefully make sense that the midpoint of a line is found by taking the average values of the x and y − values of the endpoints. The Midpoint Formula works exactly the same way. If you need to find the point that is exactly halfway between two given points, just average the x-values and the y-values. Find the midpoint P between (−1, 2) and (3, −6). (13.1.1) – Using the distance formula. Derived from the Pythagorean Theorem, the distance formula is used to find the distance between two points in the plane. The Pythagorean Theorem, [latex]{a}^{2}+{b}^{2}={c}^{2}[/latex], is based on a right triangle where a and b are the lengths of the legs adjacent to the right angle, and c is the length of the hypotenuse.The Midpoint Formula works exactly the same way. If you need to find the point that is exactly halfway between two given points, just average the x-values and the y-values. Find the midpoint P between (−1, 2) and (3, −6).
You can find the distance between two points by using the distance formula, an application of the Pythagorean theorem. Advertisement You're sitting in math class trying to survive .... Caves near me
Example 1: two positive integer endpoints. Find the midpoint of the line segment joining the points (0,6) (0,6) and (4, 10). (4,10). \textbf {x} x coordinates of the two endpoints. 2 Find the average of the \textbf {y} y coordinates of the two endpoints. 3 Write down the coordinates of …Midpoint Elasticity = (100 / 550) / ($10 / $25) = 0.18 / 0.4 = 0.45. Therefore, midpoint elasticity is 0.45. Sources and more resources. Lumen Learning – Calculating Price Elasticity using the Midpoint Formula – Part of …Pasta always makes for a great meal, but there’s more to crafting a complete dish than mixing some noodles with some sauce. This simple formula will make your pasta meals something...Midpoint = [ (X1 + X2)/2 , (Y1 + Y2)/2] This formula basically finds the average of the two x-coordinates and the average of the two y-coordinates to give you the location of the midpoint along that line. For instance, if you have the points (1,3) and (3,1), the midpoint would be (2,2). This comes from averaging the two x-parts: 1 and 3 to find 2.To find the midpoint of the straight line in a graph, we use this midpoint formula that will enable us to find the coordinates of the midpoint of the given line. Suppose the endpoints of the line are (x 1, y 2) and (x 2, y 2) then the midpoint is calculated using the formula given below. Where, x 1, x 2 are the coordinates of the x-axis. y 1, y ... I am still trying to prove this midpoint formula using the distance formula, barring vector/line methods from sections ahead. geometry; analytic-geometry; Share. Cite. Follow edited Apr 12, 2021 at 5:28. asked Apr 12, 2021 at …Want to know the area of your pizza or the kitchen you're eating it in? Come on, and we'll show you how to figure it out with an area formula. Advertisement It's inevitable. At som...The PED calculator employs the midpoint formula to determine the price elasticity of demand. Price Elasticity of Demand (PED) = % Change in Quantity Demanded / % Change in Price. PI is the initial price. There are five types of price elasticity of demand. These are detailed in the table below.The distance formula is the Pythagorean theorem that has been square rooted on both sides, while the midpoint formula is the average of the x-coordinates and the average of the y-coordinates.In this section, you will get some practice computing the price elasticity of demand using the midpoint method. Midpoint Method. To calculate elasticity, we will use the average percentage change in both quantity and price. This is called the midpoint method for elasticity and is represented by the following equations:To calculate the midpoint, we add them up and then divide the result by 2. The formula is as follows: Definition: the Midpoint. Let a a and b b be two numbers. Then the midpoint, M M of these two numbers is. M = a …The midpoint of a segment is the point on the segment that is equidistant from the endpoints. The midpoint is the point on the segment halfway between the endpoints. Method 1: Counting. It may be the case that the midpoint of a segment can be found simply by counting. If the segment is horizontal or vertical, you can find the midpoint by ... Both the Distance Formula and the Midpoint Formula depend on two points, (x 1, y 1) (x 1, y 1) and (x 2, y 2). (x 2, y 2). It is easy to confuse which formula requires addition and which subtraction of the coordinates. If we remember where the formulas come from, it may be easier to remember the formulas. Write the Equation of a Circle in ...Learn how to use the distance and midpoint formulas to find the equation of a circle, and how to graph and write equations of circles in standard and general form. This chapter also covers the properties of circles and the relationships between angles, chords, secants, and tangents.Distance and midpoint calculator. This online calculator will compute and plot the distance and midpoint of a line segment. The calculator will generate a step-by-step explanation on how to obtain the results.Midpoint – Formula and examples. The midpoint of a segment represents the point that is located exactly in the middle of the two endpoints of the segment. The midpoint can be found by dividing the sum of the x -coordinates by 2 and dividing the sum of the y -coordinates by 2. Here, we will learn about the formula that we can use to calculate ....
Popular Topics
Clippers vs nets | The following video gives a proof of the midpoint formula using the Pythagorean Theorem. Step 1: Use the distance formula to show the midpoint creates two congruent segments. Step 2: Use the slope formula to show that the coordinate of the midpoint is located on the line segment. Show Video Lesson. Midpoint Calculator. Improve your math knowledge with free questions in "Midpoint formula: find the midpoint" and thousands of other math skills.Midpoint Formula Worksheets. Midpoint formula worksheets have a wide range of high school practice pdfs to find the midpoint of a line segment using number lines, grids and midpoint formula method. Also determine the missing coordinates, midpoint of the sides or diagonals of the given geometrical shapes, missing endpoints and more....
Tig welder vs mig | Revenue is the money a company earns from selling its goods and services. Gross revenue is the quantity sold times the unit price. Net revenue is gross revenue by discounts, allowa...Find the missing coordinate point using the following information: (8,3)=midpoint coordinates. (3,1)=first set of coordinates. (x,y)=second set of coordinates. In this practice you must find a missing coordinate, however, you can use the midpoint formula to find the missing coordinate. Just plug in all the information you have in the …...
Welcome into the jungle | When we are given the Midpoint and an Endpoint, and asked to find the Other Endpoint. We can still use the concepts from the Midpoint Formula by plugging in the information we do have, because… we normally find the Midpoint by adding the corresponding coordinates, then dividing by two… (first endpoint + second endpoint) divided by two ... Getting the average of both x – and y – coordinates, we get (5+7)/2 = 6 and (1+3)/2 = 2. Pairing our answers, we then have that the midpoint of the segment is (6, 2). The midpoint formula is essential in many real life situations. For example, you want to cut a stick in half but you don’t have any measuring devices.We know that the midpoint of our line segment is . To find the x-coordinate of this segment, we work backwards, starting with our midpoint formula. In this case, we only need to use the midpoint formula to solve for the x-coordinate, which looks like: Next, multiply both sides of the equation by 2, which gives us:...
The chipettes | Researchers have devised a mathematical formula for calculating just how much you'll procrastinate on that Very Important Thing you've been putting off doing. Researchers have devi...The Midpoint Formula works exactly the same way. If you need to find the point that is exactly halfway between two given points, just average the x-values and the y-values. Find the midpoint P between (−1, 2) and (3, −6). Applying the midpoint formula is a magical adventure, where we embark on a quest to find the treasure, the midpoint, with our mathematical compass. The formula requires the coordinates of the endpoints of a line segment, (x1, y1) and (x2, y2). The coordinates of the midpoint, M, can be calculated as M = ((x1+x2)/2 , (y1+y2)/2). This …...
Luckys near me | The formula to friendship. Steven Strogatz in The New York Times answers the question of why your Facebook friends always seem to have more friends than you. In a colossal study of...CAGR and the related growth rate formula are important concepts for investors and business owners. In this article, we'll discuss all you need to know about CAGR. Let's get started......
Zabbix agent download | Step by Step tutorial explains how to find the midpoint of a line segment. Ace your Math Exam!30 Sept 2022 ... The midpoint formula for elasticity is:Midpoint elasticity = (Change in the value of B / Average of initial and final value of B) / (Change in ......