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- 1. Multiple ChoiceWhat is the total number of roots for the following equation?
y = 4x6 - 12x5 - x4 + 2x3 - 6x2 - 5x + 104567 - 2. Multiple ChoiceThe degree of the polynomial determines the number of roots.TrueFalse
- 3. Multiple Choice
What is another word for zeros?
solutions
x -intercepts
roots
All of the these!
- 4. Multiple ChoiceThe largest exponent determines the degree of the polynomial.TrueFalse
- 5. Multiple Choice
What are the zeros of the function?4,13,1,-2,-5-3, -1, 2, 5-2,4 - 6. Multiple Choice
What are the zeroes of this graph?
x = -2, x = 1, x = 4
x = -4, x = 0, x = 1, x = 2,
x = -2, x = -1, x = 0, x = 4
x = -4, x = -1, x = 2
- 7. Multiple Choice
- 8. Multiple Choice(3x − 6)(7x + 7)21x2 − 63x + 4221x2 − 21x − 4221x2 − 4221x2 + 63x + 42
- 9. Multiple Choice
Divide using long division (Be careful, your divisor is missing a term!!): (x4+12x3+37x2+14x)/(x2+7x)
x2+5x+2
x2-5x-2
x2-5x+2
x2-5x-2
- 10. Multiple Choice
Pick the polynomial that has the factors 5, -1, 0
f(x) = x(x - 1)(x + 5)
f(x) = (x - 5)(x + 1)
f(x) = x(x + 1)(x - 5)
f(x) = 5x2 - x
- 11. Multiple Choice
Name the constant(s) of this polynomial. Select all that apply.
2x4 - x3 + 5x2 + x - 7
-7
5
2
-1
1
- 12. Multiple Choice
- 13. Multiple Choice
One
Two
Four
- 14. Multiple ChoiceWhich of the following operations may not result in a polynomial when performed?adding two polynomialssubtracting two polynomialsmultiplying two polynomialsdividing two polynomials
- 15. Multiple ChoiceFind the sum.
(3y2 + y3 - 5) + (4y2 -4y + 2y3 + 8)3y3 + 7y2 - 4y + 34y2 + 3y3 - y + 3-y4 + 2y3 -y - 44y3 + 3y2 -3y + 1 - 16. Multiple ChoicePerform the indicated operation:
(x2 + 2)(x + 3)x3 + 5x + 6-2x - 1x3 + 3x2+ 2x + 6x3 + 5x2+ 6 - 17. Multiple Choice
Find the difference.
(3- 2x + 2x2) - (4x -5 +3x2)
x2 + 6x + 8
2x2 + 5x - 7
-x2 -6x + 8
-2x2 + 11x - 4
- 18. Multiple Choice
Describe the error in simplifying the sum
6x3 + 4x -10 +(-3x2+ 2x +8) = 3x3 + 6x - 2
The terms 6x3 and -3x2 should have been added
The terms 6x3 and -3x2 should not have been combined
The terms 6x3 and -3x2 should have been subtracted
- Answer choicesTagsAnswer choicesTags