1.) Suppose that y varies directly as x. If y is 5 when x is 30, the constant of variation is 150. True Or False

2.) If w varies directly as z and w = 9 when z = -6, find w when z = 3.

3.) If y varies directly as x and y = 2 when x = 4, find x when y = 4.

1 answer

false
w=kz k=w/z

w=(9/-6)*3=-9/2