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Pearson Algebra 1 Common Core, 2011
PA
Pearson Algebra 1 Common Core, 2011 View details
Chapter Review
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Exercise 62 Page 71

What happens when you divide a positive number by a negative number?

- 3

Practice makes perfect

We are asked to simplify the expression. First, notice that we can rewrite the division as a fraction. a ÷ b ⇒ a/bIn our case, the numerator and the denominator have opposite signs. The quotient of a positive and a negative number is always negative. We can now move on to simplifying the expression.

4.5÷(-1.5)
DivToFrac

a÷ b=a/b

4.5/-1.5
MoveNegDenomToFrac

Put minus sign in front of fraction

- 4.5/1.5

We will now further simplify the obtained expression.

- 4.5/1.5
ExpandFrac

a/b=a * 10/b * 10

- 45/15
SplitIntoFactors

Split into factors

- 3* 15/15
ReduceFrac

a/b=.a /15./.b /15.

- 3/1
DivByOne

a/1=a

- 3
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