SOLUTION: Given the values of x and y, find an equation of variation in which y varies directly as x y = 8, when x = 5

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Given the values of x and y, find an equation of variation in which y varies directly as x y = 8, when x = 5      Log On


   

Question 242436: Given the values of x and y, find an equation of variation in which y varies directly as x y = 8, when x = 5
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Given the values of x and y, find an equation of variation in which y varies directly as x:
y = k*x
:
y = 8, when x = 5
:
8 = 5k
k = 8%2F5
:
The equation:
y = 8%2F5x
or
y = 1.6x