ДКР 6

ДКР 6

University

10 Qs

quiz-placeholder

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ДКР 6

ДКР 6

Assessment

Quiz

Mathematics

University

Practice Problem

Hard

Created by

Nadiia Konovenko

Used 15+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Обчислити :

19,523(0,7535)19,5\cdot\frac{2}{3}\cdot\left(0,75-\frac{3}{5}\right)

3,2

1,95

-2

3,25

2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Розв’язати рівняння: 

 5x2=4x+23\frac{5-x}{2}=\frac{4x+2}{3}  

11

1

2

-1

3

3.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

-2

-1

1

3

2

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

З наведених відповідей вибрати один з розв’язків рівняння:

 x2+9x+14=0x^2+9x+14=0  

2

-2

7

4

3

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Спростіть вираз :

 56x3y4z5(x2z416y6)\frac{56x^3y^4}{z^5}\cdot\left(-\frac{x^2z^4}{16y^6}\right)  

 7x52zy2-\frac{7x^5}{2zy^2}  

 7x32zy2\frac{7x^3}{2zy^2}  

 7x52zy3-\frac{7x^5}{2zy^3}  

 7x52z2y-\frac{7x^5}{2z^2y^{ }}  

 7x32z2y\frac{7x^3}{2z^2y^{ }}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Розв’язати рівняння:

 5x+2+5x=1305^{x+2}+5^x=130  

3

-1

-2

1

0

7.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Син у 4 рази молодший за батька. Скільки років батькові, якщо він старший за сина на 27 років?

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