Question 4 (2 points) What is the greatest common factor of the polynomial?

60x3+90x2

Question 4 options:

30x2

30x

10x2

10x

Question 5 (2 points)

What is the GCF of 12x3y5+18x4y2

?
Question 5 options:

4x4y5

4x3y2

6x4y5

6x3y2

Question 6 (2 points)

Factor the greatest common factor.

15x3−10x2+20x

Question 6 options:

x(15x2−10x+20)

5(3x3−2x2+4x)

5x(3x2−2x+4)

5x2(3x2−2x+4)

Question 7 (2 points)

A perfect square trinomial in the form a2−2ab+b2

, factors as follows.
Question 7 options:

(a+b)(a−b)

(a+b)2

(a−b)2

It cannot be factored because it is not a perfect square trinomial.