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- 1. Multiple ChoiceWhat is the solution set to the inequality x2 - 4x - 5 < 0x < -1 or x > 5x < -5 or x > 1-1 < x < 5-5 < x < 1
- 2. Multiple ChoiceSolve the inequality:
2x2 + 5x ≥ 12[-4, 1.5](-oo, -4) U (1.5, oo)(-oo, -4] U [1.5, oo)no solution - 3. Multiple ChoiceSolve the inequality:
5x - 10x2 < 0(0, ½)[0, ½](-oo, 0) U (½, oo)(- ½ , 0) - 4. Multiple ChoiceSolve the inequality:
3x - x2 > 0(-oo, 0) U (3, oo)(-oo, - 3) U (0, oo)(-3, 0)(0, 3) - 5. Multiple ChoiceWhich inequality would shade above the x-axis?><=±
- 6. Multiple ChoiceWhich inequality would shade below the x-axis?><=±
- 7. Multiple ChoiceWhich inequality would be graphed with a solid dot on the x-intercepts?<>≤≠
- 8. Multiple ChoiceWhich inequality would be graphed with an open dot on the x-intercepts?≥>≤≠
- 9. Multiple ChoiceWhat 2 numbers can you multiply to get -14 that also add up to 5-7 and 2-3 and 8-1 and 147 and -2
- 10. Multiple ChoiceFactor x² + 5x - 14 = 0(x - 7)(x + 2)= 0(x + 7)(x - 2) = 0x = 7 or x = -2x = -7 or x = 2
- 11. Multiple ChoiceSolve x² + 5x - 14 = 0(x - 7)(x + 2)= 0(x + 7)(x - 2) = 0x = 7 or x = -2x = -7 or x = 2
- 12. Multiple ChoiceWhat are the x-intercepts of
x² + 5x - 14 = 0(-7, 0) and (2, 0)(x + 7)(x - 2) = 0x = 7 or x = -2x = -7 or x = 2 - 13. Multiple ChoiceHow should the x-intercepts of
x² + 5x - 14 < 0
be marked on the graph?(-7, 0) and (2, 0)solid dotopen dotany way you want it. - 14. Multiple ChoiceWhich section of the graph for
x² + 5x - 14 < 0
should be shaded?(-7, 0) and (2, 0)above the x-axisbelow the x-axiswherever - 15. Multiple ChoiceSolve
x² + 5x - 14 < 0(-7, 0) and (2, 0)(-∞, -7) ∪ (2, ∞)[-7, 2](-7, 2) - 16. Multiple ChoiceSolve
-2x² -5x + 12 ≥ 0[-4, 1.5](-4, 1.5)(-∞, -4) ∪ (1.5, ∞)[-∞, -4] ∪ [1.5, ∞] - 17. Multiple ChoiceSolve the system:
x - 3y = 8
x + 3y = 2(5, 1)(8, 2)(5, -1)no real solution - 18. Multiple ChoiceSolve
x - 4y = 8
x² -5x + 4y = 4(6, -2)(6, -1/2) and (-2, -5/2)(-6, -7/2) and (2, -3/2)no real solution - 19. Multiple ChoiceSolve
x = y²
x - 5y = 6(6, -1)(-6, 1)(6, 36) and (-1, 1)(36, 6) and (1, -1) - 20. Multiple ChoiceWhich of the following is NOT a technique for solving a system of equations?quadratic formulagraphingsubstitutionelimination
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