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- 1. Multiple Choice
Given the polynomial below, how many roots will it have?
2
1
3
0
- 2. Multiple Choice
What are the roots of the polynomial?
-3, 0, and 3
0
-2, 10, and -10
11, 0 and -11
- 3. Multiple ChoiceWhat are the zeros of the function?4,13,1,-2,-5-3, -1, 2, 5-2,4
- 4. Multiple Choice
What are the roots of the polynomial
-3,2,1
3,-2,-1
3,-2,
-3,2,
- 5. Multiple Choice
What is another way to say "where a function crosses the x-axis"?
x-intercept
zero
root
all of these.
- 6. Multiple Choice
Is -3 a zero of ?
no, 3 is not a zero of f(x)
yes
no, 2 is not a zero of f(x)
no, -3 is not a zero of f(x)
- 7. Multiple Choice
If a zero of a polynomial function has multiplicity 2 that means:
The x intercept is at (2, 0)
The graph will "bounce back" at that zero
The graph will "pass through" at that zero
Zeros cannot have multiplicity of 2
- 8. Multiple Choice
Which does not describe the zeros of a polynomial?
Where a graph crosses the x-axis
Also known as the roots
Where x=0
The solution when a factor is set equal to zero
- 9. Multiple ChoiceDetermine the roots of the polynomial.
f(x) = -x(x+1)(x-3)-1, 30, -1, 31, -30, -3, 1 - 10. Multiple Choice
Find the root(s) of the function.
x = 3
x = -3, -1, 2
x = -3, 2
x = -1
- 11. Multiple Choice
What is another word for zeros?
solutions
x -intercepts
roots
All of the these!
- 12. Multiple ChoiceIn the above graph complete the following end behavior:
As x --> -∞, f(x) --> ____
As x --> +∞, f(x) --> ____-∞
-∞+∞
-∞-∞
+∞+∞
+∞ - 13. Multiple ChoiceIn the above graph complete the following end behavior: (f(x)=y)
As x --> -∞, f(x) --> ____
As x --> +∞, f(x) --> ____-∞
-∞+∞
-∞-∞
+∞+∞
+∞ - 14. Multiple Choice
Describe the end behavior of the graph.
x → -∞, f(x) → ∞ and x→∞, f(x) →⁻∞
x → -∞, f(x) → ∞ and x→∞, f(x) →∞
x → -∞, f(x) → ∞ and x→∞, f(x) → 0
x → -∞,f(x) → -∞and x→ ∞, f(x) → ∞
- 15. Multiple ChoiceWhich function has this end behavior?-x2-3x+1-x3+2x2+3x4+3x3-4x+1x5-4x4+2x2-1
- 16. Multiple ChoiceWhich function has this end behavior?-x2-3x+1-x3+2x2+3x4+3x3-4x+1x5-4x4+2x2-1
- 17. Multiple Choice
Which x-value is a root of the function below?
f(x) = x3 + 4x2 + 9x + 36
x = 3
x = -3
x = 4
x = -4
- 18. Multiple Choice
Given f(x) = 3x3-4x2-28x-16.
Which number below is zero of f(x)?
8
-2
6
1
- 19. Multiple Choice
If f(x) = 2x3-9x2-123x-220, which value below is a root?
18
4
11
-7
- 20. Multiple Choice
If f(x) = 2x3-13x2+36, is x = 6 an x-intercept?
No, because f(6) = 30
Yes, because f(6) = 0
Yes, because f(6) = 30
No, because f(6) = 0
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