Question

x varies directly as the square of y. for y = 6,x=72 find x for y =9​

Answer 1

Answer:

Step-by-step explanation:

x = c * y² here c is any constant

72 = c * 6²

72 = c * 36

  c = 2

For y = 9

x = 2 * 9²

  = 2 * 81

  =162