Question

If y varies directly as the x squaredand y = 200 when x = 5, what is the value of y when x = -3? a. Negative 72 b. 120 c. 72 d. Negative 120

Answer 1

y varies as the x², y=200 when x=5

Explanation:

y=(k)x

200=(k)5

200/5=40

therefore; y= -120 because

y=(40)-3

y=-120

Answer 2

C i think

Explanation: