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Operations on Rational Algebraic Expressions

Authored by Miss D.

Mathematics

8th Grade

Used 90+ times

Operations on Rational Algebraic Expressions
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6 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • Ungraded

Multiply:

 34    89=\frac{3}{4}\ \ •\ \ \frac{8}{9}=  

 13\frac{1}{3}  

 23\frac{2}{3}  

 43\frac{4}{3}  

 53\frac{5}{3}  

2.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Multiply:

 9𝑥210y  15𝑦23=\frac{9𝑥^2}{10y}\ •\ \frac{15𝑦^2}{3}=  

 9xy2\frac{9xy}{2}  

 9x22\frac{9x^2}{2}  

 9x2y2\frac{9x^2y}{2}  

 9x2y9x^2y  

3.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Find the product.

 𝑥294𝑥+12   8x26x+9 =\frac{𝑥^2−9}{4𝑥+12}\ •\ \ \frac{8}{x^2-6x+9}\ =  

 8x3\frac{8}{x-3}  

 8x+3\frac{8}{x+3}  

 2x+3\frac{2}{x+3}  

 2x3\frac{2}{x-3}  

4.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Divide:

 5y310x÷30y2x =\frac{5y^3}{10x}\div\frac{30y}{2x}\ =  

 y30\frac{y}{30}  

 y230\frac{y^2}{30}  

 y330\frac{y^3}{30}  

 xy30\frac{xy}{30}  

5.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Divide:

 2x212xx+5÷x6x+5 =\frac{2x^2-12x}{x+5}\div\frac{x-6}{x+5\ }=  

 2x122x-12  

 2x212xx6\frac{2x^2-12x}{x-6}  

 2x2x  

 3x3x  

6.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Divide:

 x2+xx1÷x2x21\frac{x^2+x}{x-1}\div\frac{x^2}{x^2-1}  

 x21x\frac{x^2-1}{x}  

 x2+1x\frac{x^2+1}{x}  

 x22x1x\frac{x^2-2x-1}{x}  

 x2+2x+1x\frac{x^2+2x+1}{x}  

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