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MATH 7_ACTIVITY_Q2

Authored by marriefe corona

Mathematics

8th Grade

MATH 7_ACTIVITY_Q2
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec β€’ 1 pt

What is 6x5yΓ—10y212\frac{6x}{5y}\times\frac{10y^2}{12}  ?

 xyxy  

 2xy2xy  

 2x2x  

None of the choices

2.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

Which of the following is a rational expression in simplest form?

2y4x\frac{2y}{4x}

2π‘₯βˆ’634\frac{2π‘₯βˆ’6}{34}

π‘Ž2βˆ’1π‘Ž3+1\frac{π‘Ž^2βˆ’1}{π‘Ž^3+1}

2π‘Ž2+7π‘Žβˆ’4a+2\frac{2π‘Ž^2+7π‘Žβˆ’4}{a+2}

3.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

Multiply the two rational expressions and simplify the result xβˆ’1xβˆ’2β‹…2x+2\frac{x-1}{x-2}\cdot\frac{2}{x+2}  

 1xβˆ’2\frac{1}{x-2}  

 2xβˆ’2​x2βˆ’4\frac{2xβˆ’2​}{x^2-4}  

 xβˆ’1x2βˆ’2x\frac{x-1}{x^2-2x}  

 1x\frac{1}{x}  

4.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

Multiply and Simplify x+34β‹…x+2x2+4x+3\frac{x+3}{4}\cdot\frac{x+2}{x^2+4x+3}  

 4x+12x+2\frac{4x+12}{x+2}  

 x+24x+12\frac{x+2}{4x+12}  

 x+24x+4\frac{x+2}{4x+4}  

 4x+4x+2\frac{4x+4}{x+2}  

5.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

Multiply (xβˆ’5)(xβˆ’8)x+1β‹…x+1(x+5)(xβˆ’8)\frac{\left(x-5\right)\left(x-8\right)}{x+1}\cdot\frac{x+1}{\left(x+5\right)\left(x-8\right)}  

1

 xβˆ’5x+5\frac{x-5}{x+5}  

 xβˆ’8x+5\frac{x-8}{x+5}  

 x+1x+5\frac{x+1}{x+5}  

6.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

What is the divisor in the given expression 2xβˆ’54Γ·x+34\frac{2x-5}{4}\div\frac{x+3}{4}  

 x+34\frac{x+3}{4}  

 2xβˆ’54\frac{2x-5}{4}  

 x+32xβˆ’5\frac{x+3}{2x-5}  

 2xβˆ’5x+3\frac{2x-5}{x+3}  

7.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

What is the quotient when π‘Ÿ+9rβˆ’2\frac{π‘Ÿ+9}{r-2}  is divided by  2π‘Ÿ+1rβˆ’2\frac{2π‘Ÿ+1}{r-2}  


 π‘Ÿβˆ’22r\frac{π‘Ÿβˆ’2}{2r}  

 π‘Ÿ+22rβˆ’1\frac{π‘Ÿ+2}{2r-1}  

 π‘Ÿβˆ’92r\frac{π‘Ÿβˆ’9}{2r}  

 π‘Ÿ+92r+1\frac{π‘Ÿ+9}{2r+1}  

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