1. Which of the following is a polynomial function?
a) y = x-3 - 5x2 +8
x²+8
b) y = x2+8
c) y = x7 + 7x1/2 - 6
d) y = -x2 + 7x - 1
2. Which of the following is not a polynomial function?
a) y = 1 - 5x2 + 8x
2x²+8
b) y = 2
c) y = 7x3/2 - 5
d) y = x2 + 5x - 1
For items no. 3 - 10. Refer to the given polynomial function
y = x4 – x3 – 9x2 + 9x
3. Which of the following is the factored form of the given polynomial function?
a) y = (x+3)(x + 3)(x + 1)(x - 1)
b) y = (x + 3)(x - 3)(x + 1)(x - 1)
c) y = x(x + 3)(x - 3)(x - 1)
d) y = x(x - 3)(x + 3)(x + 1)
4. Which of the following is the y-intercept of the given polynomial function?
a) (0,0)
b. (0,1) c. (0,-3)
d. (0,3)
5. Which of the following is not an x-intercept of the given polynomial function?
b) (0,0)
b. (0,0) c. (-1,0)
d. (3,0)
6. Which of the following is the right end behavior of the graph of the given polynomial
function?
a) rising
b. falling
c. tangent
d. crossing
7. Which of the following is the left end behavior of the graph of the given polynomial
function?
a) rising
b. falling
c. tangent
d. crossing
8. Which of the following is the behaviour of the graph relative to x-axis at the point (-
3, 0) left end behavior of the graph of the given polynomial function?
a) rising
b. falling
c. tangent
d. crossing
9. What is the multiplicity of the root 1 in the given polynomial function?
a) 0
b) 1
c) 2.
d) 3
10. What is the multiplicity of the root 3 in the given polynomial function?
a) o
b) 1
C) 2
d) 3​