Question

A line has a slope of -7 and includes the points (-9, 7) and (-8,k).

What is the value of k?
k =

Answer 1

The value of k is 0.

Explanation:

-7=(y2-y1)/(x2-x1)

-7=(k-7)/(-8-(-9))

-7=(k-7)/(-8+9)

-7=(k-7)/1

-7*1=k-7

-7=k-7

k=-7+7

k=0