Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - Common Core Cumulative Standards Review - Vocabulary Builder: A

Answer

D: a symbol that represents a number or numbers.

Work Step by Step

A variable is the letter in the problem (for instance, in the equation x+2=10, x is the variable). Recall, when we have been doing Algebra, we have been solving for what number the variables are equal to. This reminds us that, in a problem, variables represent numbers. Thus, we know that "a symbol that represents a number or numbers " is the correct answer.
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