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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. x 2 y 2 – 4x + 9x – 5x 2 y 2. 1. Evaluate f(x) = 2x 3 – x 2 – 5x +2 when x = -2. 2. Multiply and simplify ( 2x + 1) (5x – 7). 3.
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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
Identify the degree and the leading coefficient of the polynomial 5 – 4x + x 3 10
Use factoring to solve the polynomial equation 5x 2 = 15x 11
Whether a trinomial is a perfect square and solve it 4t 2 - 4t + 1 = 0 13
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
(a 2 + 3b)(a 4 – 3a 2 b + 9b 2) are the factors of a 6 + 27 b 3 18
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 2 + 66t. Determine when the ball strikes the ground. 20
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
Symbolic representation ‘ Multiply x by the quantity 3 plus 2 23
If you factor the trinomial x 2 + 3x + 2, do you obtain (x + 1)(x + 2) 2 ? Explain 24
If xy = 0, does it follow that either x = 0 or y = 0 ? Explain 26
Find an expression that represents the product of the sum and difference of two numbers. Let the two number be x and y 28
- 8 2
14x 2 y8 5
3 ; 1 10
0; 3 11
-2, 0, 2 14
- 16 16
25x - x 2 17
Yes 18