4.5 Multiplying Polynomials by Monomials Objective: To multiply a polynomial by a monomial. Warm – up: Simplify: 1) x 3 ∙x 6 2) 2(a – 4) 3) 4(2y + 3) 4)

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Presentation transcript:

4.5 Multiplying Polynomials by Monomials Objective: To multiply a polynomial by a monomial. Warm – up: Simplify: 1) x 3 ∙x 6 2) 2(a – 4) 3) 4(2y + 3) 4) -3(4 – 5x) 5) (2x – 8y) – (x – 3y) 6) -3x 2 y 2 ∙4xy 3 7) (6a 2 – 5a + 2) + (7a – 5)

4.5 Multiplying Polynomials by Monomials Multiply. o 6(x + 3) o -4(y – 3) o x(x + 3) o y(y – 2) o 4y(y 2 – 2y + 1) o -2x(4x 2 – 3x + 5)

4.5 Multiplying Polynomials by Monomials Multiply. o -3b(2b 2 + 4b – 1) o 2y(3y 2 – y – 5) o 4x 2 (5x 2 – 2xy + y 2 ) o 3k 2 (2k 3 – 5k 2 w – 3kw 2 ) o a[2a – 3(1 – a)] o ab(2a 2 b + ab 2 – ab)

4.5 Multiplying Polynomials by Monomials Multiply. o -2ab(a 2 b – 3ab 2 + 5b 3 ) o 5x 2 y(3x 2 – 4xy + y 2 ) o 3xy 2 (2x 2 y – xy + 5y 2 ) Homework: – Pg. 159 Oral Exercises #1 – 12 Written Exercises #1 – 8, 13, 14 – Challenge Problems: Written Exercises #15 – 18