Question 1 (1 point)
(07.04 MC)

Given the polynomial 6x3 + 4x2 − 6x − 4, what is the value of the constant 'k' in the factored form?

6x3 + 4x2 − 6x − 4 = 2(x + k)(x − k)(3x + 2)

a
0

b
1

c
2

d
4

Question 2 (1 point)
(07.04 MC)

Factor completely 4x2 − 32.

a
4(x + 4)(x − 4)

b
4(x + 4)(x − 8)

c
4(x2 − 8)

d
Prime

Question 3 (1 point)
(07.04 MC)

Factor completely 5x4 − 80.

a
5(x2 − 4)(x2 + 4)

b
5(x − 2)(x + 2)(x + 2)(x + 2)

c
5(x − 2)(x + 2)(x2 − 4)

d
5(x − 2)(x + 2)(x2 + 4)

Question 4 (1 point)
(07.04 MC)

Factor completely 2x2 − 32.

a
Prime

b
2(x2 − 16)

c
2(x + 4)(x + 4)

d
2(x + 4)(x − 4)

Question 5 (1 point)
(07.04 MC)

Factor completely 625x8 − 1.

a
(25x4 − 1)(25x4 + 1)

b
(5x2 − 1)(5x2 + 1)(25x4 − 1)

c
(5x2 − 1)(5x2 + 1)(5x2 + 1)(5x2 + 1)

d
(5x2 − 1)(5x2 + 1)(25x4 + 1)