# Geometry ?

I'm struggling finding the solution with a Geometry problem. Midpoint (0,-3) and A(2,1) what is B coordinate points ? The answer I get is -2,-7. My system says I'm wrong. Can someone please help me out with this? Thank you

### 3 Answers

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- KrishnamurthyLv 71 month ago
A(2, 1) and Midpoint (0, -3)

B coordinate points (-2, -7)

Your answer (-2, -7) is correct.

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- Φ² = Φ+1Lv 72 months ago
Yes, M = (A+B)/2, so B = 2M - A = 2(0,-3) - (2,1) = (-2,-7).

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- hayharbrLv 72 months ago
You're right, unless you entered it wrong; maybe you need the parentheses (-2, -7)?

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