1. What is the leading coefficient of f(x)= x3 + 8x2 + 19x + 12?
A. 1
B. 3
C. 8
D 12
2. Which of the following is a possible zero of f(x) = 2x3 -x2 - 13x - 6?
A. -3/2 B. 14
C. 2/3
D. -5
3. Which of the following is a zero of the function f(x) = 2x3 - x2 - 13x – 6?
A. 2 B.12
C. -1/2
D. -3
4. What are the zeros of f(x) = x3 + 8x2 -x - 5?
A. -5, -1, and 1
C. 5, -1 and 1
B. -5, and 1 of multiplicity 2
D.
5 and -1 of multiplicity 2
5. What is the constant term of f(x)= x4 + 2x3- 3x2 +5x + 8?
A. 1
B.4
C. 5
D. 8
6. What are the roots of 2x3 + 3x2 - 8x + 12 = 0?
A. -3/2, 3 and 2 B. -2,-3/2 and 2 C. 2, -3/2 and 4
7. What is the possible number of positive zeros of f(x) = x3 - 2x2 -x + 2?
D. 12, -3/2 and 2
A. 1
B. 0 or 2 C. 1 or 3
8. What is the number of negative zeros of f(x)= x3 - 2x-x + 2?
D. 3
A. 1
B. 2
C. 3
9. What are the possible rational zeros for f(x)= x3 - 7x - 6?
D. 4
B. 1.-2.-3 C. -1.-2.3
D. 1. 2. 3
A. -1.-2.-3