118k views
1 vote
The points (-1, r) and (3, -4) lle on a line with slope - 2. Find the missing coordinate r.

1 Answer

11 votes

Answer:

r=4

Explanation:

Slope=change in y/change in x

r-(-4)/-1-3=-2

r+4=-2*-4

r=4

User Matt Kemp
by
4.5k points