Question

Find x.

a) 3√3
b) 81
c) 9√3
d) 6√3

Answer 1

Explanation:

(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