Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

by Sullivan III, Michael

Published by Pearson

ISBN 10: 0-32193-104-1

ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.1 Algebra Essentials - A.1 Assess Your Understanding - Page A10: 1

Answer

variable

Work Step by Step

In algebra, letters are used to represent numbers. If the letter represents any number from a given set of numbers, it is called a variable.

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