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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
4. Factorizing Expressions
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Exercise 8 Page 113

Substitute the given values into the expression and simplify as much as possible.

- 3

Practice makes perfect
To evaluate the given expression for x = 4 and y= - 6, we should substitute these values into the expression and simplify as much as possible.
4y/2x
SubstituteII

x= 4, y= - 6

4( - 6)/2( 4)
MultPosNeg

a(- b)=- a * b

- 4(6)/2(4)
Multiply

Multiply

- 24/8
MoveNegNumToFrac

Put minus sign in front of fraction

- 24/8
â–Ľ
Calculate quotient
ReduceFrac

a/b=.a /8./.b /8.

- 24/8/8/8
CalcQuot

Calculate quotient

- 3/1
DivByOne

a/1=a

- 3
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arrow_right Try It p.110-111
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Try It 2 (Page 110)
Try It 3 (Page 110)
Try It 4 (Page 110)
Try It 5 (Page 110)
Try It 6 (Page 110)
Try It 7 (Page 111)
Try It 8 (Page 111)
arrow_right Self-Assessment for Concept & Skills p.111
Self-Assessment for Concept & Skills 9 (Page 111)
Self-Assessment for Concept & Skills 10 (Page 111)
Self-Assessment for Concept & Skills 11 (Page 111)
Self-Assessment for Concept & Skills 12 (Page 111)
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arrow_right Self-Assessment for Problem Solving p.112
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arrow_right Review & Refresh p.113
Review & Refresh 1 (Page 113)
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Review & Refresh 9 (Page 113)
arrow_right Concept, Skills, & Problem Solving p.113-114
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