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 ->  Algebra  -> Customizable Word Problem Solvers  -> Evaluation -> 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

Ad: Over 600 Algebra Word Problems at edhelper.com
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 250119: 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 tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
y=kx [formula for direct variation]
(8)=k(5) [plug-in the variables and solve for the k-term]
8=5k
8/5=5k/5
8/5=k
.
y=(8/5)x [this is the equation of variation]