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ehidna [41]
3 years ago
9

The points (5, -5) and (7,r) lie on a line with slope - 1. Find the missing coordinate r.

Mathematics
1 answer:
Sonbull [250]3 years ago
6 0

Answer:

r = -7

Step-by-step explanation:

Slope = Change in y/Change in x

-1 = r - (-5) / 7 - 5

-1 = r + 5/ 2

-2 = r + 5

r = -7

-Chetan K

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