Polynomials

Polynomials

9th - 12th Grade

10 Qs

quiz-placeholder

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Polynomials

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Assessment

Quiz

Mathematics

9th - 12th Grade

Easy

Created by

Samantha Pruett

Used 24+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If  f(x)=x2+5x4f\left(x\right)=x^2+5x-4  and g(x)=3x27x3g\left(x\right)=3x^2-7x-3 
find  (f+g)(x)\left(f+g\right)\left(x\right)  

 4x2+12x74x^2+12x-7  

 4x494x^4-9  

 2x272x^2-7  

 4x22x74x^2-2x-7  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If f(x)=x2+5x4f\left(x\right)=x^2+5x-4  and g(x)=3x27x3g\left(x\right)=3x^2-7x-3 , find  (fg)(x)\left(f-g\right)\left(x\right)  


 4x22x74x^2-2x-7  

 2x2+12x1-2x^2+12x-1  

 2x212x+12x^2-12x+1  

 10x2110x^2-1  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Combine (5x2+4)(5+5x3)(5x^2+4)−(5+5x^3)  


 10x2+910x^2+9  

 5x35x2+15x^3-5x^2+1  

 5x3+5x215x^3+5x^2-1  

 5x3+5x21-5x^3+5x^2-1  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Combine (10k4+17k3)(14k32k+9k4)(10k^4+17k^3)−(14k^3−2k+9k^4)  

 19k4+31k32k19k^4+31k^3-2k  

 k4+3k3+2kk^4+3k^3+2k  

 19k4+3k3+2k19k^4+3k^3+2k  

 k4+3k32kk^4+3k^3-2k  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If  f(a)=2a5f\left(a\right)=-2a^5  g(a)=4ag\left(a\right)=4a , and  h(a)=3a2h\left(a\right)=-3a^2  find  (fgh)(a)\left(fgh\right)\left(a\right)  .

 a8-a^8  

 24a824a^8  

 24a8-24a^8  

 a10-a^{10}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If  f(n)=(8n+1)f\left(n\right)=\left(8n+1\right)  and h(n)=(6n3)h\left(n\right)=\left(6n-3\right)  , find  (fh)(n)\left(fh\right)\left(n\right)  

 14n2+30n314n^2+30n-3  

 14n218n314n^2-18n-3  

 48n2+30n348n^2+30n-3  

 48n218n348n^2-18n-3  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiply: 8x3(x27x+12)8x^3\left(x^2-7x+12\right)  

 8x532x4+568x^5-32x^4+56  

 8x556x4+96x38x^5-56x^4+96x^3  

 8x6+56x4+96x38x^6+56x^4+96x^3  

 8x632x3+568x^6-32x^3+56  

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