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Simplifying Rational Expressions

Authored by Charles Bowman

Mathematics

11th - 12th Grade

CCSS covered

Used 2+ times

Simplifying Rational Expressions
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7 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Simplify the expression:  x24x5x27x+10Simplify\ the\ \exp ression:\ \ \frac{x^2-4x-5}{x^2-7x+10}  

 x2x+1, x5\frac{x-2}{x+1},\ x\ne5  

 x+1x2, x5\frac{x+1}{x-2},\ x\ne5  

 x5x+10, x1\frac{x-5}{x+10},\ x\ne-1  

 x+1x+10, x2\frac{x+1}{x+10},\ x\ne2  

Tags

CCSS.HSA.APR.D.6

2.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

 Simplify the expression:   x2+5x+6x2+2x3Simplify\ the\ \exp ression:\ \ \ \frac{x^2+5x+6}{x^2+2x-3}  

 (x+2)(x+3)(x1)(x+3), x=3\frac{\left(x+2\right)\left(x+3\right)}{\left(x-1\right)\left(x+3\right)},\ x=-3  

 x3x\ne-3  

 x1x+2\frac{x-1}{x+2}  

 x+2x1\frac{x+2}{x-1}  

Tags

CCSS.HSA.APR.D.6

3.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

 Simplify the expression:  3x25x2+2xSimplify\ the\ \exp ression:\ \ \frac{3x^2}{5x^2+2x}  

 3xx5xx2x\frac{3xx}{5xx-2x}  

 3x25x+2\frac{3x^2}{5x+2}  

 35x+2\frac{3}{5x+2}  

 3x5x+2\frac{3x}{5x+2}  

Tags

CCSS.HSA.APR.D.6

4.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

 Simplify the expression:  x7x23x28Simplify\ the\ \exp ression:\ \ \frac{x-7}{x^2-3x-28}  

 x7x\ne7  

 x4x\ne4  

 1x+4\frac{1}{x+4}  

 xx+4\frac{x}{x+4}  

Tags

CCSS.HSA.APR.D.6

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Simplify the expression:  3(x+6)(x9)(x+6)(x+9)(x4)Simplify\ the\ \exp ression:\ \ \frac{3\left(x+6\right)\left(x-9\right)}{\left(x+6\right)\left(x+9\right)\left(x-4\right)}  

 3(x9)(x+9)(x4), x=6\frac{3\left(x-9\right)}{\left(x+9\right)\left(x-4\right)},\ x=-6  

 3(x9)(x+9)(x4), x6\frac{3\left(x-9\right)}{\left(x+9\right)\left(x-4\right)},\ x\ne-6  

 3x4, x6\frac{3}{x-4},\ x\ne-6  

 (x9)(x+9)(x4), x=6\frac{\left(x-9\right)}{\left(x+9\right)\left(x-4\right)},\ x=6  

Tags

CCSS.HSA.APR.D.6

6.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

 Simplify the expression:  5x+325x29Simplify\ the\ \exp ression:\ \ \frac{5x+3}{25x^2-9}  

 x+15x3\frac{x+1}{5x-3}  

 x35x\ne-\frac{3}{5}  

 15x3\frac{1}{5x-3}  

 x35x\ne\frac{3}{5}  

Tags

CCSS.HSA.APR.D.6

7.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

 Simplify the expression:  4x33x3+7xSimplify\ the\ \exp ression:\ \ \frac{4x^3}{3x^3+7x}  

 4x23x2+7\frac{4x^2}{3x^2+7}  

 x0x\ne0  

 4x33x3+7x\frac{4x^3}{3x^3+7x}  

 x=0x=0  

Tags

CCSS.HSA.APR.D.6

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