Question

A line with a slope of - 8 passes through the points ( - 1, z) and ( - 2, 7). What is the value of z?

Answer 1

z = -1

Explanation:

7 - z / -2 - (-1)

7 - z / -2+1

7 - z / -1

-7 +z = -8

z = -1

to check the work

(-1,-1) (-2,7)

7 + 1 / -2 + 1

8 / -1

= -8