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Today in Class

Today in Class. Go over homework (get out yesterday’s worksheet) Need a calculator Polynomials Homework. (2x 4 – 5x 2 + 3x – 7) + (5x 4 + 3x 3 – 7x 2 – 12 ) =7x 4 + 3x 3 – 12x 2 + 3x – 19 (3x 6 – 2x 4 + 6x 3 + 11) – (8x 5 – 3x 3 + 5x – 7 )

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Today in Class

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  1. Today in Class • Go over homework (get out yesterday’s worksheet) • Need a calculator • Polynomials • Homework

  2. (2x4 – 5x2 + 3x – 7) + (5x4 + 3x3 – 7x2 – 12) =7x4 + 3x3 – 12x2 + 3x – 19 • (3x6– 2x4 + 6x3 + 11) – (8x5 – 3x3 + 5x – 7) =3x6 – 8x5 – 2x4 + 9x3 – 5x + 18

  3. (2x – 9)(4x + 3) = 8x2 + 6x – 36x – 27 =8x2 – 30x – 27 • (5x2 – 7x – 2)(-4x – 3) = -20x3 – 15x2 + 28x2 + 21x + 8x + 6 = -20x3 + 13x2 + 29x + 6

  4. (3x – 7)2 =(3x – 7)(3x – 7) = 9x2 – 21x – 21x + 49 =9x2 – 42x + 49 • x-4y2(3x5y – x-3y3 + 4x5y7) =3xy3 – x-7y5 + 4xy9

  5. Practice • John 2) Carter 3) Jake 4) Tyler 5) Kaitlyn 6) Simai 7) Zack 8) Beth

  6. Practice • J’Michael 2) Erich 3) Alexa B. 4) Austin 5) Ale 6) Rachel R. 7) Madison 8) Grayson

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