SOLUTION: Suppose that y is directly proportional to x. When x = 8, then y = 3. (a) Find the constant of proportionality k. (b) Write the linear function relating the two variables. (c)

Algebra ->  Proportions  -> Lessons -> SOLUTION: Suppose that y is directly proportional to x. When x = 8, then y = 3. (a) Find the constant of proportionality k. (b) Write the linear function relating the two variables. (c)      Log On


   

Question 1074956: Suppose that y is directly proportional to x. When x = 8, then y = 3.
(a) Find the constant of proportionality k.
(b) Write the linear function relating the two variables.
(c) Find y when x = 64.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
y=kx
k=y%2Fx
k=3%2F8
highlight%28y=%283%2F8%29x%29


Substitute the given value and evaluate.