SOLUTION: Write an equation describing the relationship of the given variables. y varies jointly as x and the square root of z and when x = 8 and z = 49, then y = 840.

Algebra ->  Equations -> SOLUTION: Write an equation describing the relationship of the given variables. y varies jointly as x and the square root of z and when x = 8 and z = 49, then y = 840.      Log On


   

Question 1128249: Write an equation describing the relationship of the given variables.
y varies jointly as x and the square root of z and when x = 8 and z = 49, then y = 840.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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y varies jointly as the square of x and the square root of z.
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y=kx%2Asqrt%28z%29

k=y%2Fx%28sqrt%28z%29%29


The rest is done by substitution.