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5 votes
Evaluate the following expression when x=-4 and y=4x³-x /4y
(x)/(y)

User Matra
by
7.7k points

1 Answer

3 votes

Answer

-15/4

Explanation

Given the expression:


(x^3-x)/(4y)

Substituting x = -4 and y = 4:


\begin{gathered} ((-4)^3-(-4))/(4\cdot4)= \\ =(-64+4)/(16)= \\ =(-60)/(16)= \\ =-(15)/(4) \end{gathered}

User Eoredson
by
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