Operations on Rational Functions

Operations on Rational Functions

Assessment

Quiz

Created by

Kaylan McCarrell

Mathematics

9th - 12th Grade

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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 6x212x\frac{6x^2}{12x}  

Simplify.

2x

 x2\frac{x}{2}  

 2x\frac{2}{x}  

4x

Cannot simplify

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x6)x213x+42\frac{\left(x-6\right)}{x^2-13x+42}  

Simplify.

 1x7\frac{1}{x-7}  

x-7

 (x6)(x7)\frac{\left(x-6\right)}{\left(x-7\right)}  

x-6

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 4x6+2x+6\frac{4}{x-6}+\frac{2}{x+6}  

Add and simply.

 12(x6)(x+6)\frac{12}{\left(x-6\right)\left(x+6\right)} 

 (6x+12)(x6)(x+6)\frac{\left(6x+12\right)}{\left(x-6\right)\left(x+6\right)}  

 15x(x6)(x+6)\frac{15x}{\left(x-6\right)\left(x+6\right)}  

 (6x12)(x6)(x+6)\frac{\left(6x-12\right)}{\left(x-6\right)\left(x+6\right)}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 310x+75x2\frac{3}{10x}+\frac{7}{5x^2}  

Add

 23x3\frac{2}{3x^3}  

 (3x+7)10x2\frac{\left(3x+7\right)}{10x^2}  

 1x2\frac{1}{x^2}  

 (3x+14)10x2\frac{\left(3x+14\right)}{10x^2}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x3)x2+3x4+2xx+4\frac{\left(x-3\right)}{x^2+3x-4}+\frac{2x}{x+4}  

 (2x2x3)(x+4)(x1)\frac{\left(2x^2-x-3\right)}{\left(x+4\right)\left(x-1\right)}  

 (2x23x3)(x+4)(x1)\frac{\left(2x^2-3x-3\right)}{\left(x+4\right)\left(x-1\right)}  

 (3x3)(x+4)(x1)\frac{\left(3x-3\right)}{\left(x+4\right)\left(x-1\right)}  

 (3x2x3)(x+4)2(x1)\frac{\left(3x^2-x-3\right)}{\left(x+4\right)^2\left(x-1\right)}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Subtract
 6x2+4x32x5x4\frac{6}{x^2+4x-32}-\frac{x-5}{x-4}  

 x2+3x34(x+8)(x4)\frac{-x^2+3x-34}{\left(x+8\right)\left(x-4\right)}  

 x2+3x34(x+8)(x4)\frac{-x^2+3x-34}{\left(x+8\right)\left(x-4\right)}  

 x23x+46(x+8)(x4)\frac{-x^2-3x+46}{\left(x+8\right)\left(x-4\right)}  

 x23x+46(x+8)(x4)\frac{-x^2-3x+46}{\left(x+8\right)\left(x-4\right)}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (3x4)x24(3x6)x24\frac{\left(3x-4\right)}{x^2-4}-\frac{\left(3x-6\right)}{x^2-4}  

 2x24\frac{2}{x^2-4}  

 (x39x2+26x26)2x210x+8\frac{\left(x^3-9x^2+26x-26\right)}{2x^2-10x+8}  

 (3x7)x25x+4\frac{\left(3x-7\right)}{x^2-5x+4}  

 (x310x2+30x26)2x210x+8\frac{\left(x^3-10x^2+30x-26\right)}{2x^2-10x+8}  

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