Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Skills Handbook - Absolute Value - Exercises: 12

Answer

$-40$

Work Step by Step

Absolute value is used to represent the distance of a number from $0$ on a number line. Since distances are always positive, the result of an absolute value will always be positive. Therefore, to take the absolute value of a negative number, we simply take the negative of that number to make it positive, and to take the absolute value of a positive number, we do nothing to the number. We start with the given expression: $-8|-9+4|$ We simplify inside the absolute value symbols by adding: $-8|-5|$ We take the negative of the negative inside of the absolute values to make it positive: $-8(-(-5))=-8(5)$ We multiply: $-40$
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