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Solving Polynomials by Factoring

Authored by Shelby Foley

Mathematics

9th - 12th Grade

CCSS covered

Used 61+ times

Solving Polynomials by Factoring
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8 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve:

x2 = 49

± 7

-7

± 2401

7

Tags

CCSS.8.EE.A.2

2.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Solve, choose all that apply.

x3 + 2x2 + 5x + 10 = 0

-2

2

-i√5

i√5

0

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find all roots:
 x3125=0x^3-125=0  

{5,  5±5i32\frac{-5\pm5i\sqrt{3}}{2}  }

{5,  5±i832\frac{-5\pm i\sqrt{83}}{2}  }

{5, 3±i912\frac{-3\pm i\sqrt{91}}{2}  }

{5,  3±i832\frac{-3\pm i\sqrt{83}}{2}  }

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find all roots:
 x3+8x2+25x=0x^3+8x^2+25x=0  

{0,  3±4i-3\pm4i  }

{0,  4±3i-4\pm3i  }

{0,  4±i7-4\pm i\sqrt{7}  }

{0,  4±i593\frac{-4\pm i\sqrt{59}}{3}  }

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find all roots:
 x3+4x24x16=0x^3+4x^2-4x-16=0  

{ 4,23,2-4,-\frac{2}{3},-2  }

{ 4, ±2-4,\ \pm2 }

{ 4, 2, 3-4,\ 2,\ -3  }

{ 4, 2, 23-4,\ 2,\ -\frac{2}{3}  }

Tags

CCSS.HSF-IF.C.7C

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find all roots:
 x44=0x^4-4=0  

{ ±63, ±i2\pm\frac{\sqrt{6}}{3},\ \pm i\sqrt{2}  }

{ ±i63, ±i2\pm\frac{i\sqrt{6}}{3},\ \pm i\sqrt{2}  }

{ ±2, ±i2\pm\sqrt{2},\ \pm i\sqrt{2}  

{ ±2,±i3\pm\sqrt{2},\pm i\sqrt{3}  }

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find all roots:
 x3+1=0x^3+1=0  

 {1, 1±i32}\left\{-1,\ \frac{1\pm i\sqrt{3}}{2}\right\}  

 {0,±i}\left\{0,\pm i\right\}  

 {3, 1±i32}\left\{-3,\ \frac{-1\pm i\sqrt{3}}{2}\right\}  

 {1, 1±i72}\left\{-1,\ \frac{1\pm i\sqrt{7}}{2}\right\}  

Tags

CCSS.HSA.APR.B.3

CCSS.HSN.CN.A.1

CCSS.HSN.CN.C.8

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