Factorising Quadratic Polynomial

1. Factor the expression completely.

6x3- 4x2- 16x

• A. O

• B. 2x(3x2- 2x- 8)

• C. 2x(3x+4)(x- 2)

• D. 4x(2x+1)(x- 4)

2. If x2 – x – 6 = 0, then x is

A. -2 or 3

B. -1 or 6

C. 1 or -6

D. 2 or -3

• A. -2 or 3

• B. -1 or 6

• C. 1 or -6

• D. 2 or -3

Tags

CCSS.HSA-REI.B.4B

3. (5a+ 6)2 =

• A. 25a2+ 36

• B. 25a2- 36

• C. 25a2+ 30a + 36

• D. 25a2 + 60a +36

Tags

CCSS.HSA.APR.C.4

4. Factor the expression completely.

2x2 + 4x – 16 .

• A. 2(x+4)(x-4)

• B. 2(x- 2)(x+ 4)

• C. 2x(x- 2)(x+ 4)

• D. 2(x+ 2)(x- 4)

5. (3x2 – 5x – 6) + (5x2+ 4x + 4)=

• A. 8x2 + x -2

• B. 2x2 – x – 2

• C. 8x2 – x -2

• D. 2x2 + x + 2

Tags

CCSS.HSA.APR.A.1

6. (3x2 – 5x – 6) – (5x2 + 4x + 4) =

• A. -2x2 – 9x -10

• B. 2x2 + 9x + 10

• C. -2x2 – 9x – 2

• D. 2x2 + 9x – 2

Tags

CCSS.HSA.APR.A.1

9. 7. What is the smallest value of x that satisfies this equation x(x+4) = -3

• A. -1

• B. 0

• C. 1

• D. -3

Tags

CCSS.HSA-REI.B.4B

8. If 2x2 + 6x = 36, what are the possible values of x?

• A. -12 and 3

• B. -6 and 3

• C. -3 and 6

• D. -3 and 12

Tags

CCSS.HSA-REI.B.4B

9.What polynomial can be added to x2

- 2x+6 so that the sum is 3x2+ 7x?

• A. 4x2+ 5x+ 6

• B. 3x2+ 9x + 6

• C. 2x2+ 9x –6

• D. 2x2 - 9x – 6

Tags

CCSS.HSA.APR.A.1

10. 10.Which of the following is the factored form of the expression 5x2- 13x-6?

• A. (x-3)(5x+ 2)

• B. (x+3)(5x+ 2)

• C. (x-3)(x +2)

• D. (x+3)(x+2)