Copyright © 2013, 2009, 2006 Pearson Education, Inc. 1 Section 5.2 Multiplying Polynomials Copyright © 2013, 2009, 2006 Pearson Education, Inc. 1
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3 When multiplying exponential expressions with the same base, add the exponents. Product Rule
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 4 Multiply x 3 ·x 5 Use the Product Rule. When multiplying exponential expressions with the same base, add the exponents. Product RuleEXAMPLE
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 5 Multiply 2 3 ·2 2 Note: We do not change the base! Product RuleEXAMPLE
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 6 Objective #1: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 7 Objective #1: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 8 Objective #1: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 9 Objective #1: Example
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Copyright © 2013, 2009, 2006 Pearson Education, Inc. 11 The Power Rule When an exponential expression is raised to a power, multiply the exponents. Place the product of the exponents on the base and remove the parentheses. Power Rule for Exponents
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 12 Simplify: (x 2 ) 5 When an exponential expression is raised to a power, multiply the exponents. Power Rule for ExponentsEXAMPLE
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 13 Simplify: (3 4 ) 2 Note: We do not change the base! Power RuleEXAMPLE
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 14 Objective #2: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 15 Objective #2: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 16 Objective #2: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 17 Objective #2: Example
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Copyright © 2013, 2009, 2006 Pearson Education, Inc. 19 When a product is raised to a power, raise each factor to the power. Products to Powers Rule for Exponents
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 20 Objective #3: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 21 Objective #3: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 22 Objective #3: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 23 Objective #3: Example
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Copyright © 2013, 2009, 2006 Pearson Education, Inc. 25 To multiply monomials with the same variable base, multiply the coefficients and then multiply the variables. Use the product rule for exponents to multiply the variables: Keep the variable and add the exponents. Multiplying Monomials
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 26 Multiply: (3x 2 )(5x 7 ) Multiply the coefficients and multiply the variables. Add the exponents. Simplify. Multiplying MonomialsEXAMPLE
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 27 Multiply: (3x 2 )(5x 7 ) Multiply the coefficients and multiply the variables. Add the exponents. Simplify. Multiplying MonomialsEXAMPLE
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 28 Multiplying PolynomialsEXAMPLE SOLUTION Multiply: Rearrange factors Multiply coefficients and add exponents Simplify
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 29 Objective #4: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 30 Objective #4: Example
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Copyright © 2013, 2009, 2006 Pearson Education, Inc. 32 To multiply a monomial and a polynomial that is not a monomial, use the distributive property to multiply each term of the polynomial by the monomial. Multiplying a Monomial and a Polynomial
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 33 Multiplying PolynomialsEXAMPLE SOLUTION Multiply: Distribute Multiply coefficients and add exponents
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 34 Objective #5: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 35 Objective #5: Example
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Copyright © 2013, 2009, 2006 Pearson Education, Inc. 37 To multiply two polynomials, m ultiply each term of one polynomial by each term of the other polynomial. Then combine like terms. Multiplying Polynomials
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 38 Objective #6: Example
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 39 Objective #6: Example