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Do Now 2/5/19 Take out HW from last night. Copy HW in your planner. Text p. 369, #4-44 evens Copy HW in your planner. Puzzle Time worksheets 7.1 & 7.2 In hockey, a goalie behind the goal line can play a puck in the trapezoidal region. Write a polynomial that represents the area of the region. Find the area of the region when the short base is 18 feet.

Homework Text p. 369, #4-44 evens

Homework Text p. 369, #4-44 evens

Learning Goal Learning Target SWBAT simplify, factor, and solve polynomial expressions and equations Learning Target SWBAT practice adding and subtracting polynomials and multiplying polynomials

Add Polynomials (2x³ – 5x² + x) + (2x² + x³ – 1) Like Terms terms that have the same variable (2x³ – 5x² + x) + (2x² + x³ – 1) You can add polynomials using the vertical or horizontal format. Vertical Format Horizontal Format (2x³ + x³) + (2x² – 5x²) + x – 1 2x³ – 5x² + x x³ + 2x² – 1 3x³ – 3x² + x – 1 3x³ – 3x² + x – 1

Subtract Polynomials (4n² + 5) – (-2n² + 2n – 4) Like Terms 4n² + 5 terms that have the same variable (4n² + 5) – (-2n² + 2n – 4) You can subtract polynomials using the vertical or horizontal format. Vertical Format Horizontal Format 4n² + 5 (4n² + 2n²) – 2n + (5 + 4) – (-2n² +2n – 4) +(2n² -2n + 4) 6n² – 2n + 9 6n² – 2n + 9

First Outer Inner Last “Multiply Using FOIL” When multiplying a binomial and another polynomial use the method. FOIL First Outer Inner Last

“Multiply Using FOIL” (x – 4) (3x + 2) combine like terms

Simplifying Polynomials in Geometry What is the area of the blue region? (3x – 2)(2x + 1) 3x – 2 FOIL 6x² – x – 2 2x + 1 4 4 x 10 = 40 10 6x² – x – 2 – 40 = 6x² – x – 42

With your 8:00 partner, complete Puzzle Time worksheets 7.1 & 7.2 Clock Partners With your 8:00 partner, complete Puzzle Time worksheets 7.1 & 7.2

Homework PuzzleTime woksheets 7.1 & 7.2