Question

A line that includes the points (-9, h) and (-8, 9) has a slope of 10. What is the value of h?

Answer 1

-1

Explanation:

Use the rule y2-y1 / x2-x1

y1 = h

y2 = 9

x1 = -9

x2 = -8

so you get

9-h / (-8) - (-9) = 10

cross multiply to get

9-h = 10

so -h = 10-9

so h = -1