-8
57
What is y? Fx varies with x, but y could be anything.
a=b=3.60555
m = 24
-8
If y varies directly as x and if x = 2 when y = 8 then k = 4.
40
57
y = -5
4x= y
y = 10x
Find an equation of variation where y varies directly as x. One pair of values is y = 80 when x = 40
What is y? Fx varies with x, but y could be anything.
y = 8
Since r varies directly with s, we have r = ks (replace k with 5 and s with 7) r = (5)(7) r = 35
a=b=3.60555