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Glencoe Math: Course 2, Volume 1 View details

4. Multiply Integers

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Exercise 1 Page 237

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

8(- 12)

MultPosNeg

a(- b)=- a * b

-8*12

Multiply

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We can verify this using a calculator.

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