Question

The value of y varies directly with x2, and y = 36 when x = 3.

What is the value of y when x = 5?

Answer 1

@DARTHVADER2900

Answer 2

20

Answer 3

20 right

Answer 4

If y varies directly as x, then:
y = kx, for some constant k.

Since y = 36 when x = 9, we see that:
36 = 9k ==> k = 4.

So, the equation that relates x and y is:
y = 4x.

Therefore, when x = 5:
y = 4(5) = 20.

Answer 5

Yeah 20