SOLUTION: if y is directly proportional to x, and y = 34 when x = -2, what is y when x = 5?

SOLUTION: if y is directly proportional to x, and y = 34 when x = -2, what is y when x = 5?

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Question 377465: if y is directly proportional to x, and y = 34 when x = -2, what is y when x = 5?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!

y=kx k = constant.
...
x=-2, y =34
34= k*-2
34=-2k
/-2
k=-17..
..............
y= -17x
x=5
y= 5 * (-17)
y =-85
...
m.ananth@hotmail.ca
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