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Rational Expressions Unit

Authored by Cole Chambers

Mathematics

8th Grade

Rational Expressions Unit
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38 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x4x+1×x+1x2+x20\frac{x-4}{x+1}\times\frac{x+1}{x^2+x-20}  

 1x+5\frac{1}{x+5}  

 1x5\frac{1}{x-5}  

 x4x5\frac{x-4}{x-5}  

 x+1x5\frac{x+1}{x-5}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 6x+6x2+x×x2x+6\frac{6x+6}{x^2+x}\times\frac{x^2}{x+6}  

 3xx+6\frac{3x}{x+6}  

 6x+6x2+x\frac{6x+6}{x^2+x}  

 xx+6\frac{x}{x+6}  

 6xx+6\frac{6x}{x+6}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3a9a27a+10÷a34a8\frac{3a-9}{a^2-7a+10}\div\frac{a-3}{4a-8}  

 124a8\frac{12}{4a-8}  

 a34a8\frac{a-3}{4a-8}  

 12a5\frac{12}{a-5}  

 12a+5\frac{12}{a+5}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 2x23x3×3yx\frac{2x^2}{3x^3}\times\frac{3y}{x}  

 2yx\frac{2y}{x}  

 3yx\frac{3y}{x}  

 2x\frac{2}{x}  

 2yx2\frac{2y}{x^2}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 12x22y4÷3x32y\frac{12x^2}{2y^4}\div\frac{3x^3}{2y}  

 3x\frac{3}{x}  

 4xy3\frac{4}{xy^3}  

 2y4y\frac{2y}{4y}  

 2yx2\frac{2y}{x^2}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (12x2)(4x)2x2\frac{\left(12x^2\right)\left(4x\right)}{2x^2}  Find the equivalent expression.

 24x24x  

 48x248x^2  

 12x12x  

 x22\frac{x^2}{2}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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