## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson

# Chapter 1-4 - Cumulative Review: 2

#### Answer

$-8$

#### Work Step by Step

Substituting $x$ with $-1$ and $y$ with $-2$, the given expression, $5x^2y-xy+y^2 ,$ evaluates to \begin{array}{l} 5(-1)^2(-2)-(-1)(-2)+(-2)^2 \\\\= 5(1)(-2)-2+4 \\\\= -10-2+4 \\\\= -8 .\end{array}

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