Bell Ringer: 5 minutes 4 minutes 3 minutes 2 minutes 1 minute 30 seconds TIMES UP!!! The rectangular room has a length of 30 feet and a width of 20 feet. The principal wants to expand each end of each side of the room by the same amount, x. What will be the total area of the room? (Hint: Diagram the problem) Objective: SWBAT multiply two binomials or a binomial by a trinomial Homework: Textbook- Read Do: P , 3, 5,8, 12, 16, 18, 31, 41, 42
Bell Ringer: The rectangular room has a length of 30 feet and a width of 20 feet. The principal wants to expand each end of each side of the room by the same amount, x. What will be the total area of the room? (Hint: Diagram the problem) ANSWER: 4x x +600 Objective: SWBAT multiply two binomials or a binomial by a trinomial Homework: Textbook- Read Do: P , 3, 5,8, 12, 16, 18, 31, 41, 42
Binomial Distributive Property What is a simpler form of (x-6)*(4x+3)? = x(4x+3) -6(4x+3) = 4x x – 18 = 4x 2 + 3x - 24x - 18 Objective: SWBAT multiply two binomials or a binomial by a trinomial Homework: Textbook- Read Do: P , 3, 5,8, 12, 16, 18, 31, 41, 42
Using a Table (Box Method) Same problem What is a simpler form of (x-6)*(4x+3)? x-6 4x 3 x-6 4x 4x 2 -24x 3 x-6 4x 4x 2 -24x 3 3x-18 x-6 4x 4x 2 -24x 3 3x-18 4x x x 2 +3x-24x-18 4x x - 18 Objective: SWBAT multiply two binomials or a binomial by a trinomial Homework: Textbook- Read Do: P , 3, 5,8, 12, 16, 18, 31, 41, 42
With your neighbor… simplify the following problems using BOTH Distributive Property and a Table (box) methods. Be prepared to present to the class. 1. (2x+7) (3x-4) 2 (n-6)(4n-7) 3. (2p 2 + 3) (2p -5) Objective: SWBAT multiply two binomials or a binomial by a trinomial Homework: Textbook- Read Do: P , 3, 5,8, 12, 16, 18, 31, 41, 42
Table/Group Problem Be prepared to present to the class. Objective: SWBAT multiply two binomials or a binomial by a trinomial Homework: Textbook- Read Do: P , 3, 58, 12, 16, 18, 31, 41, 42 A cylinder had a radius of x+1 and a height of x+4. Write a polynomial in standard for that best describes the total surface area of the cylinder.
ReflectionExplain how you get the middle term of the simplified trinomial? Objective: SWBAT multiply two binomials or a binomial by a trinomial Homework: Textbook- Read Do: P , 3, 5,8, 12, 16, 18, 31, 41, 42