Question

A line with a slope of 10 passes through the points (8, n) and (9, 7). What is the value of n?

Answer 1

n = -3

Explanation:

slope = 10 = (7 - n) / (9 - 8) = (7 - n) / 1

7 - n = 10

-n = 10 - 7 = 3

n = 3/-1 = -3