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Operations on rational algebraic expressions

Authored by Wayground Content

Mathematics

9th - 12th Grade

Operations on rational algebraic expressions
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify 3x+6\frac{3}{x+6}  +  7x2\frac{7}{x-2}  

 10x+36(x+6)(x2)\frac{10x+36}{\left(x+6\right)\left(x-2\right)}  

 4x+48(x+6)(x2)\frac{4x+48}{\left(x+6\right)\left(x-2\right)}  

 10x+48(x+6)(x2)\frac{10x+48}{\left(x+6\right)\left(x-2\right)}  

 5x2(x+6)(x2)\frac{5x-2}{\left(x+6\right)\left(x-2\right)}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Perform the operations. State your final answer in standard form. State any restrictions in the domain.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Add

 2x2x20+3x2+7x+12\frac{2}{x^2-x-20}+\frac{3}{x^2+7x+12}  

 5x9(x5)(x+4)(x+3) , x5, 3, 4\frac{5x-9}{\left(x-5\right)\left(x+4\right)\left(x+3\right)}\ ,\ x\ne-5,\ 3,\ 4  

 5x11(x5)(x+4)(x+3) , x4, 3, 5\frac{5x-11}{\left(x-5\right)\left(x+4\right)\left(x+3\right)}\ ,\ x\ne-4,\ -3,\ 5  

 5x11(x5)(x+4)(x+3) , x5, 3, 4\frac{5x-11}{\left(x-5\right)\left(x+4\right)\left(x+3\right)}\ ,\ x\ne-5,\ 3,\ 4  

 5x9(x5)(x+4)(x+3) , x4, 3, 5\frac{5x-9}{\left(x-5\right)\left(x+4\right)\left(x+3\right)}\ ,\ x\ne-4,\ -3,\ 5  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 7x15y2\frac{7x}{15y^2}  +  y18xy\frac{y}{18xy}  

 56a2b963ab2\frac{56a^2b-9}{63ab^2}  

 42x2+5y290xy2\frac{42x^2+5y^2}{90xy^2}  

 x2+yx2y2\frac{x^2+y}{x^2y^2}  

 x3+515x3\frac{x^3+5}{15x^3}  

5.

MATH RESPONSE QUESTION

2 mins • 1 pt

Mathematical Equivalence

ON

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

SUBTRACT

A
B
C
D

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
 4x3x2+2x+5\frac{4x}{3x^2}+\frac{2}{x+5}  

 10x2+45x3x2(x+5)\frac{10x^2+45x}{3x^2\left(x+5\right)}  

 6x2+24x3x2(x+5)\frac{6x^2+24x}{3x^2\left(x+5\right)}  

 10x2+20x3x2(x+5)\frac{10x^2+20x}{3x^2\left(x+5\right)}  

 4x2+26x3x2(x+5)\frac{4x^2+26x}{3x^2\left(x+5\right)}  

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