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Section 4: Multiplying Polynomials

Learning Target: I will recognize the types of polynomials (mono, bi, tri and poly) and multiply them together to get a single polynomial. HOMEWORK: Day 1 - pg P6 #1-18 odds Day 2 – Multiplying Binomials Worksheet. Section 4: Multiplying Polynomials.

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Section 4: Multiplying Polynomials

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  1. Learning Target: I will recognize the types of polynomials (mono, bi, tri and poly) and multiply them together to get a single polynomial. HOMEWORK: Day 1 - pgP6 #1-18 odds Day 2 – Multiplying Binomials Worksheet Section 4: Multiplying Polynomials

  2. What is the difference when 2x - 3y is subtracted from 7x + 8y? 5x + 11y 9x + 5y 5x + 5y -5x – 11y 5x – 11y Act pRACTICE A. 5x + 11y

  3. Types of polynomials

  4. A child is walking away from a streetlight one evening. The shadow the light casts is 6 feet longer than the height of the light. The child is 4 feet shorter than the streetlight and casts a shadow that is 4 feet long. How tall is the streetlight? Ex 1: Where you will see this

  5. 1. (x + 4)(x – 5) 2. (3x – 6)(-4x² - 1) Ex 2: multiply the Following Binomials using the distributive property

  6. F________ O_________ I _________ L_________ 1. (x + 4)(x – 5) = 2. (3x – 6)(-4x² - 1) = Ex 3: Multiply The following Binomials using the “FOIL” Method Challenge: (4x + 1)(2x³ + 3x – 2)

  7. (x + 4)(x – 5) (3x – 6)(-4x² - 1) Ex 3: Multiply the Following Binomials using the square method.

  8. (3x – 4)(x + 5) = (x + 1)(x – 8) = (-2x² + 3)(4x – 7) = (5x + 3)(-4x + 2) = Which method did you like the best? Use that method to simplify the following: 3x² + 11x - 20 x² - 7x - 8 -8x³ +14x² + 12x - 21 -20x² -2x + 6

  9. Pg P6 #1-18 odds Homework Answers: A. n – 7, n + 2 B.

  10. (4x + 1)(2x³ + 3x – 2) Ex 4: More than Binomials Of the 3 methods - Distributive Property, FOIL and Squares – which will not work for this problem?

  11. The expression is equivalent to which of the following? ACT Practice C: x³ - y³

  12. Find the area of the rectangle: Ex 5: Area

  13. Simplify Ex 6: The challenge! Homework: Multiplying Binomials Worksheet Quiz on Sections 1 – 4 tomorrow!

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