Question 1

Is x+ 2 a factor of the polynomial x⁴- 3x³ + 12x – 5 ?

Accepted Answer

freetextm://No:Not

Question 2

What is the remainder when 6x⁴ - 2x³ + 3x⁵ - 4x + 5 is divided by x + 1?

Accepted Answer

14

Answer

12

Answer

-14

Answer

-12

Question 3

Using the Remainder Theorem, if P(x)= x³ + 4x²- 3x + 5 is divided by x + 2, what is the value of x?

Accepted Answer

-2

Answer

-5

Answer

1

Answer

2

Question 4

The remainder after dividing -10x³+5x + k by x + 1 is 4. Which of the following is the value of k?

Accepted Answer

-1

Answer

1

Answer

-9

Answer

9

Question 5

What is the leading coefficient of P(x) = 1 – 2x² + 3x⁴ + 4x⁶?

Accepted Answer

4

Answer

1

Answer

3

Answer

6

Question 6

Which set has all the possible rational roots of x³ – 2x + 6 = 0?

Accepted Answer

±1, ±2, ±3, ±6

Answer

±1, ±6

Answer

±1, ±2, ±3, ±4, ±5, ±6

Answer

±1, ±2, ±3

Question 7

Which of the following is NOT a root of x³ + 4x² + x – 6?

Accepted Answer

2

Answer

1

Answer

-2

Answer

-3

Question 8

A polynomial whose roots are {-2, 3, 5} is _______

Accepted Answer

(x+2)(x-3)(x-5) =0

Answer

(x-2)(x-3)(x-5)=0

Answer

(x+2)(x+3)(x+5)=0

Answer

(x-2)(x+3)(x+5)=0

Question 9

Which of the following is a factor of 2x³- x²- 21x + 18?

Accepted Answer

x - 3

Answer

x - 1

Answer

x - 4

Answer

x - 2

Question 10

Given: P(x) = 4x³ – x² + 5x – 3, what is P(-1) ?

Accepted Answer

-13

Answer

8

Answer

-7

Answer

7

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