Exponent Help?

Question

1: Factor these trinomials. Always check your answer with the FOIL method.
x^2 - 11x + 18

(x + 2)(x - 9)
(x - 2)(x - 9)
(x + 3)(x + 6)
(x - 3)(x - 6)


2: x^2 + 10x - 11
(x + 11)(x - 1)
(x + 11)(x + 1)
(x - 11)(x + 1)
(x - 11)(x - 1)


3: x^2 - 2x - 99
(x +11)(x + 9)
(x - 11)(x - 9)
(x +11)(x - 9)
(x - 11)(x + 9)


4: x^2 - 2x - 80
(x + 4)(x + 20)
(x + 4)(x - 20)
(x + 8)(x - 10)
(x - 8)(x + 10)


5: x^2 + 5x - 6
(x - 6)(x - 1)
(x + 6)(x - 1)
(x + 2)(x - 3)
(x + 3)(x - 2)


6: x^2 + 2x - 48
(x - 4)(x - 12)
(x + 4)(x - 12)
(x - 8)(x - 6)
(x + 8)(x - 6)

Answer 1

1. x^2 - 11x + 18

B. (x - 2)(x - 9)


2: x^2 + 10x - 11

A.(x + 11)(x - 1)


3: x^2 - 2x - 99

D. (x - 11)(x + 9)


4: x^2 - 2x - 80

C. (x + 8)(x - 10)


5: x^2 + 5x - 6

B. (x + 6)(x - 1)


6: x^2 + 2x - 48

D. (x + 8)(x - 6)

Answer 2

1. x^2-11x+18 (x-2)(x-9)

2. x^2+10x-11 (x+11)(x-1)

3. x^2-2x-99 (x-11)(x+9)

4. x^2-2x-80 (x+8)(x-10)

5. x^2+5x-6 (x+6)(x-1)

6. x^2+2x-48 (x+8)(x-6)