Suppose y varies directly with x, and y = 14 when x = -4. What is the value of y when x = -6

How would i do this

3 answers

y = k x

14 = k (-4)
so
k = -14/4 = -7/2

y = -(7/2) x

y = -(7/2)(-6)
21?
yeah, about that :)