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McGraw Hill Glencoe Algebra 1, 2012 View details

6. Systems of Inequalities

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Exercise 58 Page 376

(- a)^3=(- a)* (- a)* (- a)

-64

Practice makes perfect

The power (- 4)^3, or - 4 cubed, can be written as the product of three - 4 terms. Note that when multiplying two negative numbers, we obtain a positive number. (- a)(- a) = a* aThis means that any real negative number raised to an odd power will result in a negative result.

(- 4)^3

Rewrite

Rewrite (- 4)^3 as (- 4)* (- 4)* (- 4)

(- 4)* (- 4)* (- 4)

▼

Multiply

MultNegNegTwoPar

(- a)(- b)=a* b

16(- 4)

MultPosNeg

a(- b)=- a * b

- 64