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Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
2. Dividing Integers
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Exercise 9 Page 57

Substitute - 18 for a and - 6 for b in the expression and then simplify as much as possible.

2

Practice makes perfect

We are given an expression and asked to evaluate it for some given values. b^2/a+4 This means that we should substitute - 18 for a and - 6 for b in the given expression and then simplify as much as possible. Let's do it!

b^2/a+4
SubstituteII

a= - 18, b= - 6

( - 6)^2/- 18+4
CalcPow

Calculate power

36/- 18+4
MoveNegDenomToFrac

Put minus sign in front of fraction

- 36/18+4
CalcQuot

Calculate quotient

- 2+4
AddTerms

Add terms

2
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Try It 2 (Page 56)
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Try It 9 (Page 57)
arrow_right Self-Assessment for Concept & Skills p.57
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arrow_right Self-Assessment for Problem Solving p.58
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arrow_right Review & Refresh p.59
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arrow_right Concept, Skills, & Problem Solving p.59-60
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