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If point C(-3,8) is the midpoint of a line segment with endpoints

A(-9,-2) and B, what are the coordinates of point B?

1 Answer

2 votes

Answer:

Explanation:

Compare coordinates of A and C:

difference of x-coordinates = -3-(-9) = 6

difference of y-coordinates = 8-(-2) = 10

Extrapolate to get coordinates of B:

B(-3+6, 8+10) = B(3,18)

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