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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

1. Inequalities and Their Graphs

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Exercise 72 Page 170

When multiplying real numbers, the product will be positive if the signs are the same and it will be negative if the signs are different.

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Practice makes perfect

When multiplying real numbers, the product will be positive if the signs are the same and it will be negative if the signs are different. cc Same Sign & Different Signs (+)(+)=(+) & (+)(-)=(-) (-)(-)=(+) & (-)(+)=(-) In our case, both numbers are negative, so the product will be positive.

- 4 (- 11)

MultNegNegOnePar

- a(- b)=a* b

4 * 11

Multiply

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Subchapter links

Lesson Check p.167

Practice and Problem-Solving Exercises p.168-170

Standardized Test Prep p.170

Mixed Review p.170