Choices were: A.5 B.7
C.12 D.15
k(x,9) = (-10,-6)
kx = -10
k9 = -6 Distributive property of multiplication
k9 = -6
k = -6/9
k = -2/3 Get the value of k to solve for the value of x.
kx = -10
-2/3 x = -10
x = -10 ÷ -2/3
x = -10 -3/2
x = (-10 * -3)/2
x = 30/2
x = 15 Choice D.
