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Rodiklinės lygtys-11 (1d)

Authored by Edita Balinskiene

Mathematics

11th Grade

Used 16+ times

Rodiklinės lygtys-11 (1d)
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19 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jei  412x=84^{-1}\cdot2^x=8  , tai  x=x=  

-2

1

2

3

5

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 4x=64124^x=64^{12}  , x=?

15

24

36

48

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Duota lygtis 2732x=1927\cdot3^{2x}=\frac{1}{9}    . Kuriam sprendimo tipui priskirsite šią lygtį? 

Rodiklinės lygties sprendimas vienodinant  laipsnių pagrindus

Rodiklinės lygties sprendimas skaidant daugikliais

Rodiklinės lygties sprendimas nežinomojo keitimo būdu

Tai nėra rodiklinė lygtis

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Reiškinio  2200+22002^{200}+2^{200}  reikšmė lygi:

 42004^{200}  

 22012^{201}  

 24002^{400}  

 44004^{400}  

 22022^{202}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 52+x=5^{2+x}=  

 5x+525^x+5^2  

 255x25\cdot5^x  

 52:5x5^2:5^x  

 52+5x5^2+5^x  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kuri lygtis neturi sprendinių?

5x=255^x=25

2x1=222^{x-1}=2\sqrt{2}

2x2=142^{x^2}=\frac{1}{4}

(13)x=1\left(\frac{1}{3}\right)^{-x}=1

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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