1. find the product: (x + 2)( x – 2)

a. x2 − 8
b. 3x2 − 14x − y
c. x2 − 4
d. x2 − 2

2. factor completely: x2 − 36

a. (x + 6)(x – 6)
b. (x + 6)(x + 6)
c. (x – 6)(x − 6)
d. prime

3. factor completely: 4x2 − 81

a. (4x – 9)(x + 9)
b. (2x + 9)(2x + 9)
c. (2x + 9)(2x – 9)
d. (2x – 9)(2x − 9)

4. factor completely: x2 + 16

a. (x + 4)(x + 4)
b. (x + 4)(x – 4)
c. prime
d. (x – 4)(x − 4)

5. factor completely: 2x2 − 18

a. prime
b. 2(x2 − 9)
c. 2(x + 3)(x – 3)
d. 2(x + 3)(x + 3)

6. factor completely: 3x2 − 21

a. 3(x2 − 7)
b. 3(x + 7)(x – 7)
c. 3(x + 7)(x – 3)

Part 1) Option C

Part 2) Option A

Part 3) Option C

Part 4) Option C Prime

Part 5) Option C

Part 6) Option A

Step-by-step explanation:

we know that

A difference of square can be factored in the form

Part 1) Find the product:

Applying difference of square

Part 2) Factor Completely:

Applying difference of square

Part 3) Factor Completely:

Applying difference of square

Part 4) Factor Completely:

Is not a difference of square

Is prime

therefore

Is not possible to factored

Part 5) Factor Completely:

Applying difference of square

Part 6) Factor Completely:

Is not a difference of square

if he has no friends he cant give them out to his friends

step-by-step explanation:

no friends = cant give anything out

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above