What is the value of y for the line that has a slope of 1 and goes through the points (-4,y) and(-2,8)

Question

asked Sep 24, 2020 27.4k views

1 Answer

KirarinSnow · Answer 1 · 2020-09-28T03:37:37+0000

Answer:

Explanation:

The formula of a slope:

m=(y_2-y_1)/(x_2-x_1)

We have the slope m = 1 and the points (-4, y) and (-2, 8). Substitute:

1=(8-y)/(-2-(-4))

1=(8-y)/(2) multiply both sides by 2

2=8-y subtract 8 from both sides

-6=-y change the signs

$6=y\to y=6$