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Հավասարումներ և անհավասարումներ

Authored by Zara Sahakyan

Mathematics

8th - 9th Grade

Used 14+ times

Հավասարումներ և անհավասարումներ
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2x+5=3\left|2x+5\right|=3  

-4 և -1

4 և 1

-4 և 1

4 և -1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 x24x5=0x^2-4x-5=0  

1 և 5

Լուծում չունի

-1 և 5

4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 5x103x75x-10\le3x-7  

 x(; 32)x\in\left(-\infty;\ \frac{3}{2}\right)  

 x(; 32]x\in\left(-\infty;\ \frac{3}{2}\right]  

 x(; +)x\in\left(-\infty;\ +\propto\right)  

 x(52;+)x\in\left(\frac{5}{2};+\propto\right)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 3x+54<10\left|3x+5\right|-4<10  

 x[4; 6]x\in\left[-4;\ 6\right]  

 x(;3)x\in\left(-\infty;3\right)  

 x(4; +)x\in\left(4;\ +\propto\right)  

 x(193;3)x\in\left(-\frac{19}{3};3\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x+2=6\sqrt{x+2}=6  

34

4

8

36

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x1>5\left|2x-1\right|>5  

 (2; 3)\left(2;\ 3\right)  

 (; 2)(3; +)\left(-\infty;\ -2\right)\cup\left(3;\ +\propto\right)  

 (; 3)\left(-\infty;\ 3\right)  

 (2; +)\left(-2;\ +\propto\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 4x2+8x=04x^2+8x=0  

1 և 3

0

-2 և 0

0 և 2

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