## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 2 Linear Equations and Functions - 2.3 Graph Equations of Lines - 2.3 Exercises - Mixed Review - Page 96: 74

21

#### Work Step by Step

Plugging in the given value of m and using order of operations to solve: $$= (-3)^2 -4(-3) \\ =9+12 \\ =21$$

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