1. Homework Section 9.1: 1) pg 430 6-16, 19-27, 39-52 2) WB pg 47 all Section 9.2: 1) pg 436 22-50 all 2) WB pg 48 all 3) Worksheet Section 9.3: 1) pg 441 4, 5-36, 45-52 2) WB pg 49 all Section 9.4: 1) pg 446 6-37, 40-51 2) WB pg 50 all

2. Chapter 9 Write in standard form: 9 + x – 4x 2 -9 - 3m 2 - m 3 + 2m Standard Form: The terms are ordered from left to right in descending order (greatest exponent to the least) Section 9.1

3. Chapter 9 Adding Polynomials Put in standard form and combine like terms Section 9.1 Find the sum: (2x 2 – 3x + 5) + ( 4x 2 + 7x – 2) (3x 2 + 5x + 5) + (4 – 6x – 2x 2 )

4. Chapter 9 Write a polynomial expression for the perimeter the polygon: x 2 + x 2x 2 2x 2 x 2 + x Section 9.1

5. Chapter 9 Subtracting Polynomials Put in standard form and combine like terms Section 9.1 Find the difference: (4x 2 + 3x + 2) - ( 2x 2 - 3x + 7) (3x 2 - 2x + 3) - (2x – 4 + x 2 )

6. Chapter 9 Multiplying Polynomials Use the distributive property to find the product Section 9.2 Example: Using the distributive property to find a product 3x(2x – 5) (x + 3)(x +2)

7. Chapter 9 Section 9.2 Examples: 5x(2x + 1)6x(2x – 3) (x + 4)(x - 5) (x + 3)(x – 10)

8. Chapter 9 Multiplying Binomials Use the FOIL Method Multiply the First terms. Multiply the Outside terms. Multiply the Inside terms. Add the outside and inside products. Multiply the Last Terms. Section 9.3 Example: (3x + 2)(5x + 1)

9. Chapter 9 Section 9.3 Examples: (x + 9)(2x - 4)(2s + 1)(5s + 3) (4g - 7)(2g + 3) (3m - 5)(3m + 5)

10. Chapter 9 Special Products For any real numbers a and b and for any expressions involving real numbers and variables. (a + b)(a – b) = a 2 – b 2 (a + b)(a + b) = (a + b) 2 = a 2 + 2ab + b 2 (a - b)(a – b) = (a – b) 2 = a 2 – 2ab + b 2 Section 9.3 Example: (x – 3)(x + 3)

11. Chapter 9 Section 9.3 Examples: (x – 6)(x+6) (2x – 3)(2x – 3) (2x + 6) 2 (2x + 6)(2x + 6)