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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 11 Page 111

Rewrite each term as a product of the coefficient of the variable term and some other factor.

1/10(k-7)

Practice makes perfect
We want to factor out the coefficient of the variable term — 110. Let's rewrite each term as a product of 110 and some other factor. To do so, note that 710 is 7 times 110 because 0.7 is 7 times 0.1. 1{\dfrac{1}{10}k &= {\color{#FD9000}{\dfrac{1}{10}}} \cdot k \\[0.5em] \dfrac{7}{10} &= {\color{#FD9000}{\dfrac{1}{10}}} \cdot 7 } Now we can use the Distributive Property to factor the expression. Let's go!
1/10k - 7/10
MoveNumRight

a/b=1/b* a

1/10k - 1/10 * 7
FactorOut

Factor out 1/10

1/10(k-7)
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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)
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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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arrow_right Concept, Skills, & Problem Solving p.113-114
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