Solving Polynomials Practice

Solving Polynomials Practice

9th - 12th Grade

6 Qs

quiz-placeholder

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Solving Polynomials Practice

Solving Polynomials Practice

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

Created by

Megan Evett

Used 1+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find all roots x3+4x2+5x+2=0x^3+4x^2+5x+2=0  

 1,1,2-1,1,2  

 1,21,2  

 2, 1 mult 2-2,\ -1\ mult\ 2  

 1, 2 mult 2-1,\ -2\ mult\ 2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve f(x)=3x35x233x22f\left(x\right)=3x^3-5x^2-33x-22  

 2, 11±2536-2,\ \frac{11\pm\sqrt{253}}{6}  

 2,11±2536-2,\frac{-11\pm\sqrt{253}}{6}  

 2, 11±2536-2,\ 11\pm\text{}\frac{\sqrt{253}}{6}  

 2, 11±2536-2,\ -11\pm\frac{\sqrt{253}}{6}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find all zeros.f(x)=x37x2+9x+5f\left(x\right)=x^3-7x^2+9x+5  


 5, 1±25,\ 1\pm\sqrt{2}  

 5, 2, 15,\ 2,\ 1  

 5, 1 mult 25,\ 1\ mult\ 2  

 5, 1±35,\ 1\pm\sqrt{3}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 f(x)=x410x39x2f\left(x\right)=x^4-10x^3-9x^2  

Solve.

 0 mult 2, 5±340\ mult\ 2,\ 5\pm\sqrt{34}  

 0 mult 2, 1, 90\ mult\ 2,\ 1,\ 9  

 0 mult 2, 1, 90\ mult\ 2,\ -1,\ -9  

 0 mult 2, 5±340\ mult\ 2,\ -5\pm\sqrt{34}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find all zeros. f(x)=3x3 8x2+13x6f\left(x\right)=3x^{3\ }-8x^2+13x-6  

 23, 1±2i\frac{2}{3},\ 1\pm\sqrt{2}i  

 23, 9, 3\frac{2}{3},\ 9,\ -3  

 23,1,3\frac{2}{3},-1,3  

 23, 1±2i\frac{2}{3},\ -1\pm\sqrt{2i}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve. x411x2+28 =0x^4-11x^2+28\ =0  

 ±2, ±7\pm2,\ \pm\sqrt{7}  

 ±4, ±7\pm4,\ \pm7  

 ±2, ±7i\pm2,\ \pm\sqrt{7}i  

 ±2, ±7i\pm2,\ \pm\sqrt{7i}