The greatest common factor of -20x4 and 12x6 is.

Select one:

A. 20x4

B. 4x6

C. 4x4

D. 12x6

Question 2

The greatest common factor of x4y, x3y2, and x2y is:

Select one:

A. x2y

B. xy

C. x4y2

D. xy2

Question 3

Factor 25x2 -35x3 completely.

Select one:

A. x2(25 - 35x)

B. 5x(5x - 7x2)

C. 5x2(5 - 7x)

D. Can't be factored.

Question 4

Factor 9x2(7x - 2) + 7x - 2 completely.

Select one:

A. (9x2 - 1)(7x - 2)

B. (9x2 + 1)(7x - 2)

C. 63x3 + 18x2 - 7x - 2

D. Can't be factored.

Question 5

Factor x2 - 2x - 35 completely.

Select one:

A. (x + 5)(x + 7)

B. (x - 5)(x + 7)

C. (x + 5)(x - 7)

D. Can't be factored.

Question 6

Factor x2 + x - 2 completely.

Select one:

A. (x + 1)(x - 2)

B. (x - 1)(x + 2)

C. (x + 1)(x + 2)

D. Can't be factored.

Question 7

Factor x2 + x + 2 completely.

Select one:

A. (x + 1)(x + 2)

B. (x - 1)(x - 2)

C. (x - 1)(x + 2)

D. Can't be factored.

Question 8

Factor x4 -3x3 - 10x2 completely.

Select one:

A. x2 (x - 5)(x + 2)

B. x2 (x + 5)(x + 2)

C. x2 (x + 5)(x - 2)

D. Can't be factored.

Question 9

Factor 12x3 + 3x completely.

Select one:

A. 3x(4x + 1)(x - 1)

B. 3x(4x2 + 1)

C. x(12x2 + 3)

D. Can't be factored.

Question 10

Factor x2 - 4x + 4 completely.

Select one:

A. (x - 4)(x - 1)

B. (x + 4)(x - 1)

C. (x - 2)(x - 2)

D. Can't be factored.

Question 11

Factor -6x2 + 24x completely.

Select one:

A. -6x(x + 4)

B. -6x(x - 4)

C. -4x(x - 6)

D. Can't be factored.

Question 12

Factor x2 - 4x - 5 completely.

Select one:

A. (x + 5)(x - 1)

B. (x - 1)(x + 5)

C. (x - 5)(x + 1)

D. Can't be factored.

Question 13

Factor x2 - 18xy + 80y2 completely.

Select one:

A. (x + 10y)(x - 8y)

B. (x - 10y)(x + 8y)

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

D. Can't be factored.

Question 14

Factor 20x2y - 100xy + 120y completely.

Select one:

A. 20(x - 3y)(x - 2y)

B. 20y(x - 3)(x - 2)

C. 20xy(x - 3)(x - 2)

D. Can't be factored.

Question 15

Factor -3x3 + 6x2 + 24x completely.

Select one:

A. -3x(x - 4)(x + 2)

B. -3x(x + 4)(x - 2)

C. 3x(x - 4)(x - 2)

D. Can't be factored.