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Daily Tens Week 3

Daily Tens Week 3. Day 1. 1. Which expression is equivalent to x 2 + 2x – 15 • x 2 + 7x +10 ? 3x 2 + 6x 3x 2 – 9x A. ( x + 5 ) 2 B. (x – 3 ) 2 9x 2 (x – 2 ) 2 C. 5( 2x + 5) 2 D. -2x + 5 8x 2.

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Daily Tens Week 3

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  1. Daily Tens Week 3

  2. Day 1

  3. 1. Which expression is equivalent to x2 + 2x – 15•x2 + 7x +10 ? 3x2 + 6x 3x2 – 9x A. ( x + 5 )2 B. (x – 3 )2 9x2 (x – 2 )2 C. 5( 2x + 5)2D. -2x + 5 8x2

  4. 2. Jamie has a rectangular poster that is 30 inches long and 20 inches wide. He cuts x inches off the length and x inches of the width. The area of the poster after it is cut is 416 square inches. How many inches did Jamie cut from each side of the poster? A. 2 inches B. 4 inches C. 6 inches D. 8 inches

  5. Answers 1. A MM1A2.e 2. B MM1A2

  6. Day 2

  7. 1. Which expression is equivalent to B. C. D.

  8. Which equation is equivalent to ÷ ? B. C. D.

  9. Answers 1. C MM1A2.c 2. A MM1A2.c

  10. Day 3

  11. 1. What are the solutions to the equation x2 + 11x = 42? A. x = 6 and x = 7 B. x = 6 and x = -7 C. x = 14 and x = -3 D. x = -14 and x = 3

  12. 2. Which expression is equivalent to x2 – 9 • 3 ? 6 x – 3 A. x - 3 C. x – 1 B. x + 3 D. x – 3 2 2

  13. Answers 1. D MM1A2.g 2. B MM1A2.c

  14. Day 4

  15. 1. Simplify 2x + 3 + 5x – 7 10 5 A. 7x – 4 C. 7x – 4 50 10 B. 12x – 11 D. 8x – 4 10 10

  16. 2. Simplify x + 7 – 2x - 4 3 12 A. -x + 3 C. -x +11 12 12 C. 2x +24 D. 2x + 32 12 12

  17. Answers 1. B MM1A2.e 2. D MM1A2.e

  18. Day 5

  19. 1. The production rate of a small factory is modeled by (x+17) , while the production 4x(x+1) rate of another factory is modeled by (5x+19). Which is a model for the 4x(x+1) combined production rate of the two factories? A. (x+ 17)C. (6x+36) (5x+19) (4x2+ 2) B. (5x2+36)D. (6x+36) (4x2+2) 4x(x+1)

  20. 2. Simplify the expression x + 4 _ 2x + 1 x – 3 x + 4 A. 3x2 + 3x + 13 B. 3x2 + 13x + 13 (x – 3)(x + 4) ( x – 3)(x + 4) C. -x2 + 13x + 19 D. -x2 + 3x + 19 (x – 3)(x + 4) ( x – 3)(x + 4)

  21. Answers 1. D MM1A.e 2. C MM1A.e

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