# Geometry

12. the midpoint of CD is E(-1,0) one endpoint is C (5,2). What are the coordinates of the other endpoint?

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1. I really need help!

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2. as with the single dimension, the coordinates of the midpoint of a line in the plane is the average of each coordinate:

((-1+5)/2 , (0+2)/2) = (2,1)

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3. thanks!

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4. this is 2019 steve is wrong i don't know the true answer tho

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5. brainly . com/ question/ 1462721

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6. Answer is D = (-7,-2)

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7. i know the answer is (-7,-2) but how did u get that??

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8. wait no steve was right

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9. midpoint = (x1+x2 / 2 , y1+y2 / 2)

5 + x2 / 2 = -1
5 + x2 = -2
x2 = -7

2 + y2 / 2 = 0
2 + y2 = 0
y2 = -2

Other endpoint: (-7, -2)

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