Question

Find a so that line CD will have the given slope: C(3, -3), D(-3,a); m= -4/3

Answer 1

Answer: a = 5

Work Shown:

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

-4/3 = (a - (-3))/(-3 - 3)

-4/3 = (a+3)/(-6)

-4*(-6) = 3(a+3)

24 = 3a+9

3a+9 = 24

3a = 24-9

3a = 15

a = 15/3

a = 5