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3 kl. Rodiklinės lygtys.( 3 gr.) Nd

Authored by Aiste Ignataviciene

Mathematics

11th Grade

Used 7+ times

3 kl. Rodiklinės lygtys.( 3 gr.) Nd
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Išspręskite lygtį  2x5x=72^x\cdot5^x=7  

lg7

7

10

sprendinių nėra

kitas atsakymas

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Išspręskite lygtį:  4x32x4=04^x-3\cdot2^x-4=0  

-1;4

2

sprendinių nėra

4

kitas atsakymas

3.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Išspręskite lygtį:  2(x+3)=162^{\left(x+3\right)}=16  

1

7

0

 202^0  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jei  2x=82^x=8  ,tai  x2x^2  lygu:

-9;9

3

9

-3;5

5.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 2x=462^x=4^6  Išspręskite lygtį:

6

8

24

12

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 9(x+1)=3(4x2)9^{\left(x+1\right)}=3^{\left(4x-2\right)}  Lygties sprendinys yra

2

-1

0

1

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=16x+4x2f\left(x\right)=16^x+4^x-2  Kiek kartų funkcijos grafikas kerta koordinačių ašį Ox?

1

2

3

0

nekerta

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