Algebra: A Combined Approach (4th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321726391

ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.3 - Exponents, Order of Operations, and Variable Expressions - Vocabulary and Readiness Check - Page 27: 9

Answer

expression variables

Work Step by Step

A combination of operations on letters and numbers is an expression. A letter (x and y) that represents a number is a variable.

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