SOLUTION: Find an equation of variation where y varies jointly as x and the square of z, and where y=70 when x=55 and z=2

Question 509607: Find an equation of variation where y varies jointly as x and the square of z, and where y=70 when x=55 and z=2
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Start with:
where k = the constant of variation. To find the value of k, plug in the given parameters of , , and
Solve for k.
Simplify.
Now the equation can be written as:

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