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Algebra L7-6 Quiz v2

Last updated about 2 years ago

5 questions

1

1

Question 2

2.

Factor the trinomial:
2x^{2}-11x-21

1

1

1

Question 5

5.

Factor 12x^{2}+5x-2.

Question 1

1.

What is the factored form of 3x^{4}+9x^{3}-30x^{2}?

x(3x^{2}+5)(x-2)

3x^{2}(x+5)(x-2)

(3x^{3}+15x^{2})(x-2)

3x^{2}(x^{2}+3x-10)

Question 3

3.

Reorder the following expressions so that the sequence best represents the process of factoring the trinomial 10y^{2}-y-2 by grouping.

(5y+2)(2y-1)
10y^{2}+(-5y+4y)-2
(10y^{2}-5y)+(4y-2)
10y^{2}+(-y)-2
5y(2y-1)+2(2y-1)

Question 4

4.

The area of a rectanguar patio is 3x^{2}-15x+12 \textrm{ ft}^{2}. Which of the following could be dimensions of the patio? Select all that apply.

(x+3) \textrm{ ft}\times (3x+4)\textrm{ ft}

(x-1) \textrm{ ft}\times (3x-12) \textrm{ ft}

(3x-4) \textrm{ ft}\times (x+3)\textrm{ ft}

(3x-3) \textrm{ ft}\times (x-4)\textrm{ ft}