__________1.What is the leading coefficient of P(x) = 3x2 – 5 + 2x + x4?
a. -5
b. 1
c. 2
d. 3
__________2.Which of the following is NOT a factor of x3 + 5x2 – 4x – 20?
a. x + 2
b. x – 2
c. x + 5
d. x - 5
__________3.What value of x makes 3x – 1 equal to 0?
a. -3
b. – 1/3
c. 1/3
d. 3
__________4.Which of the following is a factor of 6x2 - x – 1?
a. 2x -1
b. 3x – 1
c. x + 1
d.
__________5. If 7 is a zero of the polynomial 2x3 – 14x2 + x – 7, which of the following is
TRUE?
a. 7 is a factor of the polynomial
c. x – 7 is a factor of the polynomial
b. x + 7 is a factor of the polynomial
d. If -7 is substituted in x in the
polynomial, the result is 0.
__________6.Find the value of k such that x = 6 is a factor of x3 +kx2 + 41x + 30.
a. 12
b. 18
c. 24
d. 30
__________7.What is the multiple root of x3 – 2x2 – 4x + 8?
a. -2
b. -1
c. 1
d. 2
__________8. Which polynomial equation has -1, -5, and 4 as its roots?
a. x3 – 5x2 + x - 5
c. x3 + 2x2 + 4x – 15
b. x3 + 2x2 - 19x -20
d. x3 – 6x2 + 19x - 20
__________9.Which polynomial has 1, -3, and 5 as zeros?
a. P(x) = (x -1) (x – 3) (x – 5)
c. P(x) = (x -1) (x + 3) (x – 5)
b. P(x) = (x +1) (x + 2) (x + 5)
d. P(x) = (x +1) (x + 2) (x + 5)
__________10. Which has all the possible rational zeros of P(x) = x3 + 6x2 + x + 6
taking into account that all terms in the polynomial are positive?
a. -1, -2, -3, -4, -5
c. -1, -2, -3, -6
b. 1, 2, 3, 6
d. -1, 1, -2, 2, -3, 3, -6, 6
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Answer:
b b c c d c a d a c
Step-by-step explanation:
I know the answer but sorry if the answer is wtong