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Rational Expressions Quiz

Authored by John Frohberg

Mathematics

10th - 11th Grade

Rational Expressions Quiz
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify: 120x3y25xy5\frac{120x^3y}{25xy^5}  

 24x25y4\frac{24x^2}{5y^4}  

 24x3y5xy5\frac{24x^3y}{5xy^5}  

 24x45y5\frac{24x^4}{5y^5}  

 24x3y45\frac{24x^3y^4}{5}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:  x2+9x+202x+8\frac{x^2+9x+20}{2x+8}  

 (x+5)2\frac{\left(x+5\right)}{2}  

 (x+4)(x+5)2x+8\frac{\left(x+4\right)\left(x+5\right)}{2x+8}  

 (x4)(x5)2x+8\frac{\left(x-4\right)\left(x-5\right)}{2x+8}  

 (x5)2\frac{\left(x-5\right)}{2}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:  x2x12x22x8\frac{x^2-x-12}{x^2-2x-8}  

 x+3x+2\frac{x+3}{x+2}  

 x3x+2\frac{x-3}{x+2}  

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

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

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the least common denominator for  33xy2y6x\frac{3}{3xy}-\frac{2y}{6x}  ?

 1818  

 6x6x  

 3xy3xy  

 6xy6xy  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify the expression.  23+3x+4y3y\frac{2}{3}+\frac{3x+4y}{3y}  

 5x+4y9y\frac{5x+4y}{9y}  

 6y+3x3y\frac{6y+3x}{3y}  

 2y+xy\frac{2y+x}{y}  

 6y+3x9y\frac{6y+3x}{9y}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Simplify:  x2+7x+12x2+4xSimplify:\ \ \frac{x^2+7x+12}{x^2+4x}  

 x+3x+4\frac{x+3}{x+4}  

 x3x\frac{x-3}{x}  

 x+3x\frac{x+3}{x}  

 x+3x2\frac{x+3}{x^2}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the next correct setup for simplifying  7xx+1+2x3\frac{7x}{x+1}+\frac{2}{x-3}  

 7xx+12x3+2x37xx+1\frac{7x}{x+1}\cdot\frac{2}{x-3}+\frac{2}{x-3}\cdot\frac{7x}{x+1}  

 7xx+17xx+1+2x32x3\frac{7x}{x+1}\cdot\frac{7x}{x+1}+\frac{2}{x-3}\cdot\frac{2}{x-3}  

 7xx+1x3x3+2x3x+1x+1\frac{7x}{x+1}\cdot\frac{x-3}{x-3}+\frac{2}{x-3}\cdot\frac{x+1}{x+1}  

 7xx+1x+1x+1+2x3x3x3\frac{7x}{x+1}\cdot\frac{x+1}{x+1}+\frac{2}{x-3}\cdot\frac{x-3}{x-3}  

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