Evaluare sumativă - clasa 12

Evaluare sumativă - clasa 12

12th Grade

6 Qs

quiz-placeholder

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Evaluare sumativă - clasa 12

Evaluare sumativă - clasa 12

Assessment

Quiz

Mathematics

12th Grade

Easy

Created by

Mititean Ancuta

Used 1+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (1x2+16+sin2x)dx=\int\left(\frac{1}{x^2+16}+\sin2x\right)dx=  

 14arctg x4+cos2x2+C\frac{1}{4}ar\operatorname{ctg}\ \frac{x}{4}+\frac{\cos2x}{2}+C  

 14arctg x4cos2x2+C\frac{1}{4}ar\operatorname{ctg}\ \frac{x}{4}-\frac{\cos2x}{2}+C  

 14arctg x4+2cos2x+C\frac{1}{4}ar\operatorname{ctg}\ \frac{x}{4}+2\cos2x+C  

 14arctg x42cos2x+C\frac{1}{4}ar\operatorname{ctg}\ \frac{x}{4}-2\cos2x+C  

alt raspuns

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Pentru legea de compozitie

 xy=xy+3x+3y+6x\perp y=xy+3x+3y+6  elementul neutru este egal cu:

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Se considera funcțiile  f,g:RRf,g:R\rightarrow R  

 f(x)=ex(x2+6x)f\left(x\right)=e^x\left(x^2+6x\right)  ,  g(x)=ex(x2+8x+6)g\left(x\right)=e^x\left(x^2+8x+6\right)  
Stabiliți care afirmație  este adevărată:

f este primitiva lui g

g este primitiva lui f

alt răspuns

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

 12(3x2+2x+3)dx\int_1^2\left(3x^2+2x+3\right)dx  

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Rezultatul calculului în  Z7Z_7  este:

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Fie legea de compoziție: xy=2x+y3x\perp y=2x+y-3  . 

Soluția ecuației:  x(3x1)=6x\perp\left(3x-1\right)=6  este: