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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 39 Page 60

Substitute - 5 for z and - 2 for y in the expression and then simplify as much as possible.

- 8

Practice makes perfect

We are given an expression and asked to evaluate it for some given values. 10y^2/z This means that we should substitute - 5 for z and - 2 for y in the given expression and then simplify as much as possible. Let's do it!

10y^2/z
SubstituteII

z= - 5, y= - 2

10( - 2)^2/- 5
CalcPow

Calculate power

10(4)/- 5
Multiply

Multiply

40/- 5
MoveNegDenomToFrac

Put minus sign in front of fraction

- 40/5
CalcQuot

Calculate quotient

- 8
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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 Concept, Skills, & Problem Solving p.59-60
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