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3 years ago

15

The midpoint of a segment with endpoint (8,a) and (b,4) is (-1,-1)

1 answer:

GalinKa [24]3 years ago

3 0

Answer:

(-10,-6)

Step-by-step explanation:

(8 + b) / 2 = - 1

(8 + b) = - 1 * 2

8 + b = - 2

b+8-8 = -2 - 8

b = - 10

=====================

(a + 4)/2 = -1

(a + 4) = - 2

a + 4 = -2

a + 4-4 = - 2 - 4

a = - 6

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