Worksheet Key 2/27/2019 10:04 PM 9.3 - Special Products.

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Presentation transcript:

Worksheet Key 2/27/2019 10:04 PM 9.3 - Special Products

Worksheet Key 2/27/2019 10:04 PM 9.3 - Special Products

Worksheet Key 2/27/2019 10:04 PM 9.3 - Special Products

Worksheet Key 2/27/2019 10:04 PM 9.3 - Special Products

2/27/2019 10:04 PM 9.3 - Special Products

Let’s go Over the Quiz 2/27/2019 10:04 PM 9.3 - Special Products

Party Time 2/27/2019 10:04 PM 9.3 - Special Products

More Multiplying Polynomials Section 9.3 2/27/2019 10:04 PM 9.3 - Special Products

Review (using FOIL) Multiply, 2/27/2019 10:04 PM 9.3 - Special Products

9.2 - Multiplying Polynomials Review Multiply (x – 3)(x + 4) 2/27/2019 10:04 PM 9.2 - Multiplying Polynomials

Your Turn Multiply, 2(x + 6)(2x – 1) 2/27/2019 10:04 PM 9.3 - Special Products

Square of a Binomial Pattern When a binomial is squared, rewrite the problem with two binomials FOIL correctly Combine like terms DO NOT DISTRIBUTE the exponents (a + b)2 = a2 + 2ab + b2 (a – b)2 = a2 – 2ab + b2 2/27/2019 10:04 PM 9.3 - Special Products

Special Cases 2/27/2019 10:04 PM 9.3 - Special Products

Example 1 Multiply (x + 2)2 2/27/2019 10:04 PM 9.3 - Special Products

Example 1 Multiply (x + 2)2 2/27/2019 10:04 PM 9.3 - Special Products

Example 1 Check Multiply (x + 2)2 2/27/2019 10:04 PM 9.3 - Special Products

DO NOT FORGET THE MIDDLE! Special Cases DO NOT FORGET THE MIDDLE! 2/27/2019 10:04 PM 9.3 - Special Products

Example 2 Multiply (x – 4)2 2/27/2019 10:04 PM 9.3 - Special Products

Your Turn Multiply (x – 9)2 2/27/2019 10:04 PM 9.3 - Special Products

Example 3 Multiply (3x + 1)2 2/27/2019 10:04 PM 9.3 - Special Products

Example 4 Multiply (4x – 5)2 2/27/2019 10:04 PM 9.3 - Special Products

Your Turn Multiply (2x + 5)2 2/27/2019 10:04 PM 9.3 - Special Products

Example 5 Multiply (4x – y)2 2/27/2019 10:04 PM 9.3 - Special Products

Example 6 Multiply (3m + 2n)2 2/27/2019 10:04 PM 9.3 - Special Products

Your Turn Multiply (3x – 7y)2 2/27/2019 10:04 PM 9.3 - Special Products

Sum and Differences of Squares When a binomial is squared, rewrite the problem with two binomials FOIL correctly Combine like terms (a + b) (a – b) = a2 – b2 2/27/2019 10:04 PM 9.3 - Special Products

Example 7 Multiply (x + 5)(x – 5) 2/27/2019 10:04 PM 9.3 - Special Products

Example 8 Multiply (5x + 3)(5x – 3) 2/27/2019 10:04 PM 9.3 - Special Products

Your Turn Multiply (4x + 3y)(4x – 3y) 2/27/2019 10:04 PM 9.3 - Special Products

Example 9 Find the perimeter and area of a square which sides are 3x – 2. 2/27/2019 10:04 PM 9.3 - Special Products

Your Turn Find the perimeter and area of a square which sides are 5x – 3. 2/27/2019 10:04 PM 9.3 - Special Products