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midpoint formula algebra. And it looks like something you have to memorize. But all you have to say is look.
X1 x22 y1 y22 Plug in 0 8 and 10 6. The following diagram shows the midpoints formula for the two points x 1y 1 and x 2y 2. This forms a new coordinate you can call x₃y₃.
The fastest way to find the missing endpoint is to determine the distance from the known endpoint to the midpoint and then performing the same transformation on the midpoint.
7 y2 4 7 y 8 y 15. The midpoint of the x-value is halfway between the two points x-values. In this case the x-coordinate moves from 4 to 2 or down by 2 so the new x-coordinate must be 2-2 0. The midpoint formula states how to find the coordinates of the midpoint.