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The points (1, -2) and (6, r) lie on a line with slope 2. Find the missing coordinate r.

The points (1, -2) and (6, r) lie on a line with slope 2. Find the missing coordinate r.
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The points (1, -2) and (6, r) lie on a line with slope 2. Find the missing coordinate r.

asked
User Firstinq
by
8.7k points

1 Answer

2 votes

Answer

r=3

Explanation:

Use the slope formula

m=y2-y1/x2-x1

r-(-2)/6-1

r+2/5

r+2=5

r=5-2

r=3

answered
User Jani
by
7.6k points
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