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Welcome back!. Today’s agenda. It’s a Mystery Warm-up Correct 8.6 HW 8.6 HW Quiz 8.7A Notes Assignment: 8.7A Worksheet. Where in the world are the desk feet ???. *Stay seated today . . . and maybe for awhile.

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Welcome back!

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  1. Welcome back!

  2. Today’s agenda • It’s a Mystery • Warm-up • Correct 8.6 HW • 8.6 HW Quiz • 8.7A Notes • Assignment: 8.7A Worksheet

  3. Where in the world are the desk feet??? *Stay seated today . . . and maybe for awhile. *You cannot move seats and must be in your assigned seat until the bell rings. *Destruction of school property & stealing are charges when you take the feet (bottom of the chairs) off. *STOP!

  4. Warm-up 1) 2)

  5. Answers to 8.6 HW 4a2 + 3a 2) 2y2 – 8y 3) 12h2 – 20h 4) –4b + 36b2 + 8b3 24y2 – 30 6) 35c – 14c3 + 7c4 7) 15x3+ 3x2 + 12x 8) –6n4 +9n2 + 12n2 10x4y – 35x3y2 – 5x2y2 10) 10a2 + 4a + 5b – 11 –4a2 – 4a + 5b + 7 12) –35x4y3z –343a6b3c12 14)

  6. I CAN . . . ~multiply binomials. Lesson 8.7

  7. Example #1: 9 (x + 9) (3x + 7) x Write final answer looking at the box diagonally! 3x 7 Combine like terms! Do NOT add the exponents! 7x 3x2 27x 63 3x2 + 34x + 63

  8. Example #2: 5x – 3y 2y –4x (–4x + 2y) (5x – 3y) –20x2 12xy 10xy –6y2 –6y2 –20x2 + 22xy

  9. Your turn: 6x 6x (6x+ 8) (6x– 8) 8 – 8 36x2 –48x 48x –64 – 64 36x2

  10. USING FOIL F O I L = FIRST = OUTER = INNER = LAST

  11. EXAMPLE #3: First Outer Inner Last x2 + 10x + 40 + 4x + 40 x2 + 14x

  12. EXAMPLE #4: First Outer Inner Last + 55 + 5x 2x2 + 22x + 55 2x2 + 27x

  13. Are you a master?? Multiply using the method of YOUR CHOICE. Box Method or FOIL.

  14. Today’s assignment 8.7A Worksheet SHOW WORK!

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