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