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Factoring Ax²

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Factoring Ax²
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Factor 3y2 + 7y + 4.

(3y + 1)(y + 4)

(3y + 1)(y + 7)

(3y + 2)(y + 2)

(3y + 4)(y + 1)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Factor 4y2 – 3y – 1. 

(2y + 1)(2y – 1)

(4y + 1)(y – 1)

prime

(4y – 1)(y + 1)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Factor 3y2 + 11y – 4.

(3y – 2)(y + 2)

(3y – 1)(y + 4)

(3y – 1)(y + 8)

(y– 4)(3y + 2)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A rectangle has an area of 2x2 – 19x +45 ft2. What are the dimensions of the rectangle?  

(2x - 9)(x - 5)

(2x + 9)(x + 5)

(2x - 5)(x - 9)

(2x - 5)(x + 9)

5.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

(a)  

F

G

H

J

6.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

(a)  

F

G

H

J

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

7.

DRAG AND DROP QUESTION

1 min • 1 pt

Complete the steps to solve −x4+14x2−45=0-x^4+14x^2-45=0 by factoring.

−(x4−14x2+45)=0-\left(x^4-14x^2+45\right)=0  

−(x4−14x2−45)=0-\left(x^4-14x^2-45\right)=0

−(x2−9)(x2−5)=0-\left(x^2-9\right)\left(x^2-5\right)=0  

x=±3, ±5x=\pm3,\ \pm\sqrt[]{5}  

x=±3, ±5ix=\pm3,\ \pm\sqrt[]{5}i

Tags

CCSS.HSA-REI.B.4B

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