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Asked by Alex

Y is the midpoint of line xz. Find the coordinates of the third point if z(2,8) and y(-1,6)
17 years ago

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Answered by Reiny
remember to get the midpoint, add the x's and divide by 2, and add the y's then divide by 2

so for the x:
(x+2)/2 = -1

solve for x

now do the same for the y
17 years ago

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