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 169564This question is from textbook Introductory Algebra
: Given the values of x and y, find an equation of variation in which y varies directly as x.
y = 8, when x = 5 This question is from textbook Introductory Algebra

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
y/x=k where k is the constant of variation
:
in our case 8/5=k...what this means is that know matter the value of y or x they should always have this ratio for example if y is 40 then x is 25 40/25 and if x is 50 the y would be 80....80/50.