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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

5. Writing a Function Rule

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Exercise 51 Page 267

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.

111.6

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.

- 7.2 (- 15.5)

MultNegNegOnePar

- a(- b)=a* b

7.2 * 15.5

Multiply

111.6

Subchapter links

Lesson Check p.264

Practice and Problem-Solving Exercises p.265-267

Standardized Test Prep p.267