Question

Find the value of r so that the line that passes through (5, r) and (2, -3) has a slope of 4/3

A.) 1

B.) 7

C.) (13/9)

D.) -1

Answer 1

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

4/3 = (-3 - r)/(2 - 5)

4/3 = (-3 - r)/(-3)

-4 = -3 - r

-1 = -r

r = 1