Question

Y varies directly with x if y= 4 when x= -1 what is the value of x when y = 6

Answer 1

Answer:x=-(3/2)

Explanation:

y=kx (y=4,x=-1)

4=k(-1)

k=-4

y=6 x=?

6=kx

We know k = -4

6=-4x

x=-(3/2)