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Pearson Algebra 1 Common Core, 2011 View details

5. Writing a Function Rule

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Exercise 52 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.

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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 one number is negative and one number is positive, so the product will be negative.

- 6(1.5)

MultNegPos

(- a)b = - ab

- 6 * 1.5

Multiply

- 9