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Intermediate Algebra

OPENSTAX

$Math Studyset 91影视 Explanations$ Math

OER 2017 Edition 路 1346 pages

ISBN: 9780998625720

Chapter 1: Q. 411 (page 91)

For the following exercises, evaluate each expression.
${(y + z)}^{2}$ when localid="1644418403317" $y = - 4, z = 7$

Short Answer

Expert verified

The value of the given expression is $9 .$

Step by step solution

01

Step 1. Given information

${(y + z)}^{2}; y = - 4, z = 7$

02

Step 2. Evaluate the expression

${(y + z)}^{2} = {(- 4 + 7)}^{2} use y = - 4, z = 7 = {(3)}^{2} = 3 脳 3 = 9$

Hence, the value of the given expression $= 9 .$

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Most popular questions from this chapter

Fill in $<$ , $>$ or $=$ for each of the following pairs of numbers:

(a) localid="1644070592762" $- 9__- |- 9|$

(b) localid="1644070601216" $2__- |- 2|$

(c)localid="1644070617682" $- 8__|- 8|$

(d)localid="1644070630416" $- (- 9)__|- 9|$

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$| 17 鈭� 8 | 鈭� | 13 鈭� 4 |$

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