Eksponencijalne jednačine i nejednačine

Eksponencijalne jednačine i nejednačine

2nd Grade

10 Qs

quiz-placeholder

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Eksponencijalne jednačine i nejednačine

Eksponencijalne jednačine i nejednačine

Assessment

Quiz

Mathematics

2nd Grade

Practice Problem

Easy

Created by

Јованка Стојковић

Used 35+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Rešenje jednačine

 123x18=144x12^{3x-18}=144^x  

12

-2

-18

18

10

2.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Rešenje jednačine

 32x+9=63x3^{2x}+9=6\cdot3^x je  (upiši samo broj):

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Rešenje jednačine

 9x+6x=24x    je:9^x+6^x=2\cdot4^{x\ \ }\ \ je:  

0

1

1,5

2

 23\frac{2}{3}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Skup rešenja jednačine

 4x20,25=0  je:4^{x^2}-0,25=0\ \ je:  

prazan

jednočlan 

dvočlan

tročlan

beskonačan

5.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

U kom intervalu se nalazi najmanje rešenje jednačine:

 161x=4x2  ?16^{\frac{1}{x}}=4^{\frac{x}{2}}\ \ ?  

 (,3)\left(-\infty,-3\right)  

 (3,0)\left(-3,0\right)  

 (0,3)\left(0,3\right)  

 (3,5)\left(3,5\right)  

 (5,+)\left(5,+\infty\right)  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Koliko rešenja ima jednačina

 20,554x+10=41x+1  ?\sqrt{2}\cdot0,5^{\frac{5}{4\sqrt{x}+10}}=4^{\frac{1}{\sqrt{x}+1}}\ \ ?  

0

1

2

3

više od 3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Kom intervalu pripada rešenje jednačine:

 25x+1542x53=52x35+42x23  ?25^{\frac{x+1}{5}}-4^{\frac{2x-5}{3}}=5^{\frac{2x-3}{5}}+4^{\frac{2x-2}{3}}\ \ ?  

 (,3)\left(-\infty,-3\right)  

 (3,0)\left(-3,0\right)  

 (0,3)\left(0,3\right)  

 (3,+)\left(3,+\infty\right)  

jednačina nema rešenja

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