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Pearson Algebra 1 Common Core, 2011 View details

6. Multiplying and Dividing Real Numbers

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Exercise 34 Page 42

When dividing numbers of the same sign, the quotient is always positive.

Practice makes perfect

Let's begin by rewriting our division as a fraction. -46÷(-2) ⇒ - 46/-2 Notice that the numerator and denominator of the fraction are both negative. Since the quotient of two negative numbers is always positive, we can remove both negatives.

- 46/-2

DivNegNeg

- a/- b=a/b

46/2

SplitIntoFactors

Split into factors

23* 2/2

ReduceFrac

a/b=.a /2./.b /2.

23* 1/1

IdPropMult

Identity Property of Multiplication