Factoring Review 1/13/2021

Factoring Review 1/13/2021

9th - 11th Grade

7 Qs

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Factoring Review 1/13/2021

Factoring Review 1/13/2021

Assessment

Quiz

Mathematics

9th - 11th Grade

Hard

Created by

Lisa Miller

Used 2+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Completely factor the difference of squares:
 9x2259x^2-25  

 (3x+5)2\left(3x+5\right)^2  

 (3x+5)(3x5)\left(3x+5\right)\left(3x-5\right)  

 (3x5)2\left(3x-5\right)^2  

 9(x5)29\left(x-5\right)^2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factor completely:
 4x212x+94x^2-12x+9  

 (2x3)(2x+3)\left(2x-3\right)\left(2x+3\right)  

 (2x+3)2\left(2x+3\right)^2  

 (3+2x)(32x)\left(3+2x\right)\left(3-2x\right)  

 (2x3)2\left(2x-3\right)^2  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factor completely: x47x2+12x^4-7x^2+12  

 (x23)(x2+3)\left(x^2-3\right)\left(x^2+3\right)  

 (x23)(x24)\left(x^2-3\right)\left(x^2-4\right)  

 (x23)(x2)(x+2)\left(x^2-3\right)\left(x-2\right)\left(x+2\right)  

 (x23)(x2+3)(x2)(x+2)\left(x^2-3\right)\left(x^2+3\right)\left(x-2\right)\left(x+2\right)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factor completely: 2x2+17x92x^2+17x-9  

 (x+9)(2x1)\left(x+9\right)\left(2x-1\right)  

 (x9)(2x+1)\left(x-9\right)\left(2x+1\right)  

 (x9)(2x1)\left(x-9\right)\left(2x-1\right)  

 (2x3)2\left(2x-3\right)^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factor completely (factor by grouping): 7x3+6x214x127x^3+6x^2-14x-12  

 (x22)(7x+6)\left(x^2-2\right)\left(7x+6\right)  

 (x1)(x+1)(7x+6)\left(x-1\right)\left(x+1\right)\left(7x+6\right)  

 (7x+6)2\left(7x+6\right)^2  

 (x22)(7x6)\left(x^2-2\right)\left(7x-6\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factor the difference of cubes: x364x^3-64  
Note:
 a3b3=(ab)(a2+ab+b2)a^3-b^3=\left(a-b\right)\left(a^2+ab+b^2\right)  

 (x8)(x+8)\left(x-8\right)\left(x+8\right)  

 (x+4)(x24x+16)\left(x+4\right)\left(x^2-4x+16\right)  

 (x2)(x2+2x+4)\left(x-2\right)\left(x^2+2x+4\right)  

 (x4)(x2+4x+16)\left(x-4\right)\left(x^2+4x+16\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Factor the sum of cubes: 125+27x3125+27x^3  
Note:
 a3+b3=(a+b)(a2ab+b2)a^3+b^3=\left(a+b\right)\left(a^2-ab+b^2\right)  

 (5+3x)(53x)\left(5+3x\right)\left(5-3x\right)  

 (5+3x)(2515x+9x2)\left(5+3x\right)\left(25-15x+9x^2\right)  

 (53x)(25+15x+9x2)\left(5-3x\right)\left(25+15x+9x^2\right)  

 (5+3x)3\left(5+3x\right)^3