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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

6. Multiplying and Dividing Real Numbers

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Exercise 18 Page 42

Rewrite the exponent as multiplication.

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Practice makes perfect

Rewriting the exponent as multiplication will allow us to more easily see what it happening in this exercise.

\left( \text{-} \dfrac {2}{9}\right) ^2

MoveNegFracToNum

Put minus sign in numerator

\left(\dfrac {\text{-} 2}{9}\right)^2

PowToProdTwoFac

a^2=a* a

\dfrac {\text{-} 2}{9} \cdot \dfrac {\text{-} 2}{9}

Multiply fractions

\dfrac {(\text{-} 2) (\text{-} 2)}{9 \cdot 9}

MultNegNegTwoPar

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

\dfrac {2\cdot 2}{9 \cdot 9}

Multiply

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Subchapter links

Lesson Check p.42

Practice and Problem-Solving Exercises p.42-44

Standardized Test Prep p.44

Mixed Review p.44