Question

if y varies directly with x find the constant of variation with x=4 and y=-24.
-6**
4
-96
6


if y varies directly with x and y=35 when x=5 find x when y=-7

1
7
-1**
-5

if y varies directly with x and y =-12 when x=6 find x when y=-4.

-2
3**
-3
2

Answer 1

can someone correct me pls

Answer 2

if y varies directly with x and y =-12 when x=6 find x when y=-4.
y=kx or k=y/x=-12/6=-2

y=kx or x=y/k=-4/-2=2