Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.2 Evaluate and Simplify Algebraic Expressions - Graphing Calculator Activity - Practice - Page 17: 13


The student used a minus sign.

Work Step by Step

When writing negative four, the student used a minus sign instead of using the negative (-) button on the calculator. If this were done, the result would have been -57.
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