7. What is the remainder when P(x) = x2019 – 7×2020 + 6 is divided by x – 1?
A. 12
B. 10
C. O
D. – 12
8. Find the value of k for which x + 2 is a factor of P(x) = x3 +3×2 + kx + 10?
A. 7
B. 6
C. 5
D. 4
9. What is the remainder when 5×200 – 3×205 is divided by x + 1 ?
A. – 2
B. 1
C. 8
D. 11
10. If P(-3) = 0, which of the following statements is true about P(x)?
A. 3 is a root of P(x)=0
C. X + 3 is a factor of P(x)
B. P(0) = -3
D. X-3 is a factor of P(x)
11. If P(x) = 7×6 – 8×8 + 2×2 + x3 – 9, then the leading coefficient is
A. -8
B. 6
C. 8
D. 9
12. One of the roots of 3×3(x2 + 2x – 5) is 0. How many other roots are there?
A. 3
B. 4
C.5
D. 6
13. Which set consists the possible rational roots of x3 + 4×2 – 2x + 8 = 0?
A. +1, +8
C. +1, +2, +4, +8
B. +1, +2, +4
D. +1, +2, +3, +4, +5, +6, +7, +8
14. What polynomial equation has 2, 3, and 4 as roots?
A. (x + 2)(x-3) (x + 4) = 0 C. 2 (x + 2) (x + 3) (x + 4) = 0
B. (x-2)(x + 4) (x – 3) = 0 D. 2 (x – 2) (X – 4) (x – 3) = 0
15. The root of x3 + 2×2 – 13x + 10 = 0 is
A. -5
B.-2
C.-1
D. 5
Answer:
Step-by-step explanation:
13. C