Asked by gavyn

i have a homework assignment i do not know how to do. i was out sick so i have not learned this. hear is the question......y varies directly as x. find the constant of variation and write an equation for the direct variation.

question 1: y=15 when x=5
Answered by bobpursley
direct variation:

y= kx where k is the constant of variation.

15=k*3 find k.
Answered by John
y=kx

y=15
x=5

Shouldn't it be 15=k*5?
Answered by Anonymous
The anwser is y=3x
Becasue all you doing is divding 15 dy 5 to get k
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