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What's the Midpoint Formula?

What is the midpoint of a line segment?

Summary

  1. The midpoint lies exactly between the two endpoints
  2. The formula for the midpoint gives the coordinates for the ordered pair that represents the midpoint
  3. x1 and x2 are the x-coordinates of the endpoints
  4. y1 and y2 are the y-coordinates of the endpoints

Notes

    1. The endpoints are the points at either end of the line segment
    1. The midpoint will be an equal distance from either endpoint
    1. We have a formula we can use to find the exact coordinates of the midpoint
    1. This formula will give the x- and y-coordinates of the ordered pair that represents the midpoint
    2. x1 and x2 are the x-coordinates of the endpoints
    3. y1 and y2 are the y-coordinates of the endpoints
    1. x1 and x2 are the x-coordinates of the endpoints
    2. So really we are just taking the average of the x-coordinates of the endpoints
    1. y1 and y2 are the y-coordinates of the endpoints
    2. So really we are just taking the average of the y-coordinates of the endpoints