1. Jeopardy 1 6 11 16 21 26 2 7 12 17 22 27 3 8 13 18 23 28 4 9 14 19 24 29 5 10 15 20 25 30

2. x 2 y2 – 4x + 9x – 5x 2 y 2 1

3. Evaluate f(x) = 2x 3 – x 2 – 5x +2 when x = -2

4. Multiply and simplify ( 2x + 1) (5x – 7)3

5. ( 5 – 3x) 2 Is it a perfect square ?4

6. Simplify 2xy7 . 7xy 5

7. Factor completely 3x 2 + 7x - 206

8. Factor by grouping 2x 3 + x 2 - 10x - 57

9. Factor the polynomial 5x 4 – 5x 28

10. Factor x 3 + 8 9

11. Identify the degree and the leading coefficient of the polynomial 5 – 4x + x 310

12. Use factoring to solve the polynomial equation 5x 2 = 15x11

13. Whether a trinomial is a perfect square and solve it 4t 2 - 4t + 1 = 013

14. Solve z , 2z z 2 = 0 14

15. Could the graph of a polynomial function be a line ?15

16. Evaluate the polynomial- 4x 2 when x = 216

17. Simplify A rectangular pen has a perimeter of 50 feet
Simplify A rectangular pen has a perimeter of 50 feet. If x represents its width, write a polynomial that gives the area of the pen in terms of x 17

18. (a 2 + 3b)(a 4 – 3a 2 b + 9b 2) are the factors of a 6 + 27 b 318

19. Factor completely x 2 - 5x - 5019

20. If a golfball is hit upward with a velocity of 66 feet per second (45 mph), its height h in feet above the ground after t seconds can be modelled by h(t) = - 16t t. Determine when the ball strikes the ground. 20

21. A rectangle has an area of 216 square inches
A rectangle has an area of 216 square inches. Its length is 6 inches more than its width. Find the dimensions of the rectangle. 21

22. Factor out greatest common factor 18x 3 + 6x22

23. Symbolic representation ‘ Multiply x by the quantity 3 plus 223

24. If you factor the trinomial x 2 + 3x + 2, do you obtain (x + 1)(x + 2) 2 ? Explain24

25. Find the least common multiple of 36, 24, 1625

26. If xy = 0, does it follow that either x = 0 or y = 0 ? Explain26

27. Give one reason for factoring expressions in mathematics27

28. Find an expression that represents the product of the sum and difference of two numbers. Let the two number be x and y 28

29. Find the least common multiple x 2 - 9, x(x + 3)29

30. 3x(y – 6) = 0, what property you will use to find x, y ?30

31. 5x - 4x 2 y2 1

32. - 8 2

33. 10x 2 – 9x – 7 3

34. 9x 2 – 30x + 25 4

35. 14x 2 y8 5

36. (x + 4) (3x – 5) 6

37. (2x + 1)(x ) 7

38. 5x 2 (x – 1)(x + 1) 8

39. (x + 2)(x 2 - 2x + 4) 9

40. 3 ; 1 10

41. 0; 3 11

42. Yes ; (2t – 1) 2 13

43. -2, 0, 2 14

44. - 16 16

45. 25x - x 2 17

46. Yes 18

47. (x – 10)(x + 5) 19

48. After sec 20

49. 12 in x 18 in 21

50. 6x ( 3x ) 22

51. 3x + 2 23

52. Yes; it checks, using FOIL24

53. 144 25

54. Yes, by the zero product property26

55. To solve equations 27

56. (x + y)(x – y)= x 2 - y 2 28

57. x(x + 3)(x – 3) 29

58. Zero product property; x = 0, y = 630

59. Tie Breaker

60. Tie Breaker