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saw5 [17]
4 years ago
8

Point A (-3,-5) and point M is at (-1,-7) what are the coordinates point of be

Mathematics
1 answer:
Sindrei [870]4 years ago
3 0

Answer: B = (1,-9)

Step-by-step explanation:

x_M=\frac{x_A+x_B}{2} \\\\y_M=\frac{y_A+y_B}{2} \\\\\\x_B = 2x_M-x_A=2(-1)-(-3)=1\\\\y_B = 2y_M-y_A=2(-7)-(-5)=-9\\

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