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Operations with Rational Expressions

Authored by Kris Digregorio

Mathematics

9th - 10th Grade

CCSS covered

Used 15+ times

Operations with Rational Expressions
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11 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify
 x25x+6x26x+9\frac{x^2-5x+6}{x^2-6x+9}  

 x+2x+3;x3\frac{x+2}{x+3};x\ne-3  

 x2x3;x3\frac{x-2}{x-3};x\ne3  

 x+2x3; x2, 3\frac{x+2}{x-3};\ x\ne2,\ 3  

 x2x3\frac{x-2}{x-3}  

Tags

CCSS.HSA.APR.D.6

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 7x49x312x4\frac{7x^4-9x^3}{12x^4}  

Simplify

 7x912,x0\frac{7x-9}{12},x\ne0  

 7x912x\frac{7x-9}{12x}  

 79x12x\frac{7-9x}{12x}  

simplified form

Tags

CCSS.HSA.APR.D.6

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify.

 12x7y112x4y55x6y103y\frac{12x^7y^{11}}{2x^4y^5}\cdot\frac{-5x^6y^{10}}{3y}  

 10x3y3; x0, y0-10x^3y^3;\ x\ne0,\ y\ne0  

 10x5y5; x0, y0-10x^5y^5;\ x\ne0,\ y\ne0  

 10x14y15; x0, y0-10x^{14}y^{15};\ x\ne0,\ y\ne0  

 10x9y15; x0, y0-10x^9y^{15};\ x\ne0,\ y\ne0  

Tags

CCSS.HSA.APR.D.7

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify

 4x4x2x29x+8x25x244x\frac{4x-4x^2}{x^2-9x+8}\cdot\frac{x^2-5x-24}{-4x}  

 x3; x0, x1, x8x-3;\ x\ne0,\ x\ne1,\ x\ne8  

 x8, x0, x3, x8x-8,\ x\ne0,\ x\ne3,\ x\ne8  

 x+8; x0, x3, x8x+8;\ x\ne0,\ x\ne3,\ x\ne8  

 x+3, x0, x1, x8x+3,\ x\ne0,\ x\ne1,\ x\ne8  

Tags

CCSS.HSA.APR.D.6

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Tags

CCSS.HSA.APR.D.6

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify

 10xx211x+28÷90x10x2x216x+63\frac{-10x}{x^2-11x+28}\div\frac{90x-10x^2}{x^2-16x+63}  

 1x7; x4, x0, x7\frac{1}{x-7};\ x\ne-4,\ x\ne0,\ x\ne7  

 1x4; x0, x4, x7, x9\frac{1}{x-4};\ x\ne0,\ x\ne4,\ x\ne7,\ x\ne9  

 x7, x0, x4, x7, x9x-7,\ x\ne0,\ x\ne4,\ x\ne7,\ x\ne9  

 x4; x0, x4, x7x-4;\ x\ne0,\ x\ne4,\ x\ne7  

Tags

CCSS.HSA.APR.D.6

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Tags

CCSS.HSA.APR.D.6

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