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Polynomials Factoring Descartes Rule

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Polynomials Factoring Descartes Rule
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 8 pts

What are the factors of 7x2 + 16x + 4?

(7x + 4) (x + 1

(7x - 2) (x - 2)

(7x + 2) (x + 2)

(7x - 2) (x + 2)

2.

MULTIPLE CHOICE QUESTION

1 min • 8 pts

Factor:

2x² + 3x - 9

2(x + 3)(x - 3)

(2x - 3)²

(x + 3)(2x - 3)

(2x + 3)(x - 3)

3.

MULTIPLE CHOICE QUESTION

1 min • 8 pts

The trinomial 4x-20x + 25 is factorable. Which of these is the correct factorization?

(2x+5)(2x-5)

Tags

CCSS.HSA.APR.C.4

4.

MULTIPLE CHOICE QUESTION

1 min • 8 pts

Which function is equivalent to: h(x)= 3x2 + 10x - 8?

h(x)=(3x + 2)(x + 4)

h(x)=(7x + 5)(x + 2)

h(x)=(3x - 2)(x + 4)

h(x)=(7x - 3)(x - 4)

5.

MULTIPLE CHOICE QUESTION

1 min • 9 pts

Factor 4y3 + y + 12y2 + 3 by grouping. Remember to look for Standard Form, then for common factors.

4y2(y + 3) + 3

4y3 + 12y2 + y + 3

(4y2 + 1)(y + 3)

6.

MULTIPLE CHOICE QUESTION

1 min • 9 pts

Factor 2x2 + 4x – 3x – 6 by grouping. Remember to look for Standard Form, then for common factors.

(2x – 3)(x + 2)

2x2 + x - 6

(2x + 3)(x - 2)

7.

MULTIPLE CHOICE QUESTION

1 min • 9 pts

Factor x3 – 2x – 4x2 + 8 by grouping. Remember to look for Standard Form, then for common factors.

x3 - 4x2 - 2x + 8

(x – 4)(x2 – 2)

(x – 2)(x2 – 4)

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