Atkārtojums nr.2

Atkārtojums nr.2

12th Grade

20 Qs

quiz-placeholder

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Atkārtojums nr.2

Atkārtojums nr.2

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Medium

Created by

Diana Ruluka Pasa

Used 21+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Izsakot y no vienādības  xy+1=1xxy+1=\frac{1}{x}  , iegūst

 y=1xx2y=\frac{1-x}{x^2}  

 y=1xy=1-x  

 y=x21xy=\frac{x^2}{1-x}  

 y=1x1y=\frac{1}{x}-1  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nevienādības  (x+1)(3x)>0\left(x+1\right)\left(3-x\right)>0  atrisinājums ir

 (1;3)\left(-1;3\right)  

 (3;1)\left(-3;1\right)  

 (;1)(3;+)\left(-\infty;-1\right)\cup\left(3;+\infty\right)  

 (1;+)\left(-1;+\infty\right)  

3.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Izteiksmes  (4)2\sqrt{\left(-4\right)^2}  vērtība ir

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dots vienādojums  2x25x+3=02x^2-5x+3=0  . Tā sakņu summa   x1+x2x_1+x_2  un sakņu reizinājums ir

 5 un 35\ un\ 3  

 2,5 un 1,52,5\ un\ 1,5  

 2,5 un 1,5-2,5\ un\ 1,5  

 5 un 3-5\ un\ 3  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Funkciju   y=3xy=3^x  un   y=log3xy=\log_3x  grafiki ir savstarpēji simetriski attiecībā pret

 OyOy  asi

punktu   (0;0)\left(0;0\right)  

taisni  y=xy=x  

nav simetriski

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Izteiksmes   log224log2 34\log_224-\log_2\ \frac{3}{4}  vērtība ir

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Cik trīsciparu skaitļu var sastādīt no cipariem 0; 1; 2; 3; 4 un 5, ja cipari skaitlī neatkārtojas?

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