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Pearson Algebra 1 Common Core, 2011

PA

Pearson Algebra 1 Common Core, 2011 View details

1. Zero and Negative Exponents

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Exercise 37 Page 422

Substitute -3 for r.

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Practice makes perfect

To evaluate the given expression for r=-3, we should substitute -3 for r in the given expression and then simplify.

r^(-3)

r= -3

( -3)^(-3)

NegExponentToFrac

a^(- m)=1/a^m

1/(-3)^3

Calculate power

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MoveNegDenomToFrac

Put minus sign in front of fraction

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Subchapter links

Lesson Check p.421

Practice and Problem-Solving Exercises p.421-423

Standardized Test Prep p.423

Mixed Review p.423