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- 1. Multiple ChoiceFactor by grouping:
3x3-x2+6x-2(x2+2)(3x+1)(x2+2)(3x-1)(3x3+6x)(x2-2)none of the aboe - 2. Multiple ChoiceSolve
8x³+125=0x=-5/2, x=(-5±5i√3)/4x=-5/2, x=(5±5i√3)/4x=-2/5, x=(-5±5i√3)/4x=-2/5, x=(5±5i√3)/4 - 3. Multiple Choice(2x3 - 5x2 + 3x + 7) ÷ (x - 2)2x3 - x2 + x + 92x2 - x + 12x2 - x + 1 + 9/x-22x2 - 9x - 15 - 23/x-2
- 4. Multiple ChoiceList all possible rational zeros
f(x) = 3x5-5x2+x+61, 2, 3, 6, -1, -2, -3, -61/3,2/3,1,2,3,6,-1/3,-2/3,-1,-2,-3,-61/3,2/3,1,2,3,6 - 5. Multiple ChoiceGive the equation of the 4th degree polynomial with zeros: 1 with multiplicity 2 and i.x2 - 4x + 4x3 - 4x2 + 4x +ix2 -4ix + 4ix4 - 4x3 + 5x2-4x + 4x4 - 4x3 + 5x2-4x + 4i
- 6. Multiple ChoiceWhat is the predicted end behavior of: y=-2x4+3x-1up on both endsdown on both endsup on left, down on rightdown on left, up on right
- 7. Multiple ChoiceDecide if (x-3) is a factor of 3x3+10x2-x-12Yes, it is a factorNo, it is not a factor
- 8. Multiple ChoiceFind all zeros for the polynomial function P(x) = x3 -3x2-5x+153, √53, √5, -√5-3, √5, -√5-3, 5i, -5i
- 9. Multiple Choice
Match the equation to the graph.y=-(x+1)(x-2)(x-4)y=(x+1)2(x-3)(x-1)3y = 3x3 – 2x + 1y=(x+1)3(x-3)(x-1)2 - 10. Multiple Choicey = _(x + 2)(x - 1)2y = -(x - 2)(x + 1)2y = (x - 2)(x + 1)2y = -x3
- 11. Multiple ChoiceHow many negative zeros does the polynomial function
P(x) = x3+3x2-5x-15 have?0123 - 12. Multiple ChoiceDescribe the polynomial graphed5th degree polynomial
positive leading coefficient5th degree polynomial
negative leading coefficient4th degree polynomial
positive leading coefficient4th degree polynomial
negative leading coefficient - 13. Multiple ChoiceWhich equation MOST LIKELY matches the graph?y = x4 - x3 + 3x2 + 2y = -x4 + x3 + 5x + 2y = x3 - 2x2 + 1x + 3y = -x3 - 2x2 + 1x + 3
- 14. Multiple ChoiceFind all the real-number roots for the function below.
f(x)=2x3−9x2+21x−18x = 3/2, 3 +- √3x = 4/3, 3 +- √3x = 2/3, 3 +- √3x = 5/2, 3 +- √3 - 15. Multiple ChoiceFind all zeros of the polynomial function P(x) = x3+6x2+9x+546, 3, -3-6, 3, -3-6, 3i, -3i6, 3i, -3i
- 16. Multiple ChoiceSolve the inequality.
(x-2)(x+3)2(x2+4)≥0[2,∞){-3},[2,∞)(2,∞){ } - 17. Multiple ChoiceSolve the inequality.
2x3+3x2-17x-30<0(-2.5,-2)U(3,∞)(-∞,-2.5]U[-2,3](-∞,-2.5)U(-2,3)[-2.5,-2]U[3,∞) - Answer choicesTagsAnswer choicesTags