Day 8: Polynomials Goal: To simplify polynomial expression by multiplying. Standard: 9.2.3.2 – Add, subtract and multiply polynomials; divide a polynomial.

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Day 8: Polynomials Goal: To simplify polynomial expression by multiplying. Standard: – Add, subtract and multiply polynomials; divide a polynomial by a polynomial of equal or lower degree. Guiding Question: How can I multiply polynomials? Materials: Pencil, Folder, Student Packet 1

Solve the proportion: "Make sure x is in the numerator and solve" Find 10%, 20%, 50% and 100%: 65 "Find 10% by moving the decimal one place, and use it to find the others.” Percent Problems: 45 is 33% of what number? "Write an equation, is =, of x, and solve for x." Reflection Starters: “I know……” or “I need to work on……” Menta l Math Math Review Day 8 2

Access: Simplify using exponent properties: A) x 2 x 4 B) 3x(4x 3 ) C) 2x 2 - 9x + x 2 D) -7x 3 + 9x + 18x x 3

Multiply: A)(6y 3 )(3y 5 ) B) (3mn 2 )(9m 2 n) Try: C) (3x 3 )(6x 2 ) D) (2r 2 t)(5t 3 ) 4

E) 6pq(2p-q) Try: F) 4(3x 2 + 4x - 8) 5

F O I L A)(s + 4)(s - 2) B)(x – 4) 2 C)(8m 3 – n)(m 3 - 3n) Try: C) ( a + 3)(a - 4) D) ( x – 3) 2 E) (2a – b 2 )(a + 4b 2 ) 6

Multiply: A)(x - 5)(x 2 + 4x - 6) B) (2x – 5)(-4x x + 3) C) (3x + 1)(x 3 + 4x 2 - 7) Try: D) (x + 3)(x 2 - 4x + 6) E) (3x + 2)(x 2 - 2x + 5) 7

Work Time: Work through pages 23 and 24 in your packet Exit Slip at: _________ 8

Exit Slip: (on a half-sheet of scratch paper) NM: Multiply: A)(6s 2 t 2 )(3st) B)4xy 2 (x + y) C)(x + 2)(x - 8) D)(2x - 7)(x 2 + 3x - 4) E) 6mn (m mn -2) F) (2x - 5y)(3x + y) Make sure your name is on it, and turn it in! 9