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quiz 2

Authored by Alfredo thomas

Mathematics

University

Used 1+ times

quiz 2
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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 𝑥2𝑦𝑧+3𝑥𝑦2z−2𝑥𝑦z2−3𝑥𝑦2𝑧+𝑥𝑦𝑧2−𝑥2𝑦𝑧𝑥^2𝑦𝑧+3𝑥𝑦^2z−2𝑥𝑦z^2−3𝑥𝑦^2𝑧+𝑥𝑦𝑧^2−𝑥^2𝑦𝑧  

0

 −xyz2-xyz^2  

-xyz

-2xyz

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

  

 16+7b−5+b=11b−3−b16+7b-5+b=11b-3-b  

 314\frac{3}{14}  

 143\frac{14}{3}  

-1

4

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (53∗4)−(6+9)(5^3*4)-(6+9)  

485

300

0

285

4.

FILL IN THE BLANKS QUESTION

20 sec • 1 pt

diga a que conjunto pertenece esta expresión

 −49\sqrt{-49}  



(a)  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 3x + 2y −[x−(x−y)]3x\ +\ 2y\ -\left[x-\left(x-y\right)\right]  

3x-y

3x + y 

2x

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 15m2n−23mn−32m2n+310m2n−83mn\frac{1}{5}m^2n-\frac{2}{3}mn-\frac{3}{2}m^2n+\frac{3}{10}m^2n-\frac{8}{3}mn  

0

9mn

 3010 m2n−303mn\frac{30}{10\ }m^2n-\frac{30}{3}mn  

 30100m2n−309mn\frac{30}{100}m^2n-\frac{30}{9}mn  

7.

OPEN ENDED QUESTION

2 mins • Ungraded

¿Que tal le ha parecido el verano feliz virtual?

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