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1. What number times itself equals 25? 2. What number times itself equals 81? 3. What number times itself equals 10?

1. What number times itself equals 25? 2. What number times itself equals 81? 3. What number times itself equals 10?

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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**Understanding Square Roots and Irrational Numbers** In grade 8, you evaluated square roots of small perfect squares and determined that √2 is irrational. 1. What number times itself equals 25? 2. What number times itself equals 81? 3. What number times itself equals 10? Another word for multiplying a number by itself is *squaring* the number. Example: \(2^2 = 4\).
Transcribed Image Text:**Understanding Square Roots and Irrational Numbers** In grade 8, you evaluated square roots of small perfect squares and determined that √2 is irrational. 1. What number times itself equals 25? 2. What number times itself equals 81? 3. What number times itself equals 10? Another word for multiplying a number by itself is *squaring* the number. Example: \(2^2 = 4\).
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