SOLUTION: find an equation of variation where y varies directly as x and y = 100 when x=4

SOLUTION: find an equation of variation where y varies directly as x and y = 100 when x=4

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Question 866539: find an equation of variation where y varies directly as x and y = 100 when x=4
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
"y varies directly as x" means that for some constant k (ie k is a fixed number)

Plug in y = 100 and x=4. Then solve for k

So gets updated to . That is the equation. So we stop here.

Final Answer:
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