Неравенства с модулем

Неравенства с модулем

6th Grade

5 Qs

quiz-placeholder

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Неравенства с модулем

Неравенства с модулем

Assessment

Quiz

Mathematics

6th Grade

Practice Problem

Hard

Created by

Татьяна Тищенко

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Решит неравенство

 х>9\left|х\right|>9  

 (;9)(9;+)\left(-\infty;9\right)\cup\left(9;+\infty\right)  

 (9;9)\left(-9;9\right)  

 (9;+)\left(9;+\infty\right)  

 9;9\lceil-9;9\rceil  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Решите неравенство

 х>0\left|х\right|>0  

решений нет

 (;+)\left(-\infty;+\infty\right)  

0

 (;0)(0;+)\left(-\infty;0\right)\cup\left(0;+\infty\right)  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Решите неравенство

 х0\left|х\right|\ge0  

решений нет

 (;+)\left(-\infty;+\infty\right)  

0

 (;0)(0;+)\left(-\infty;0\right)\cup\left(0;+\infty\right)  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите неравенство

 х5<3\left|х-5\right|<3  

решений нет

 (;8)\left(-\infty;8\right)  

 (2;8)\left(2;8\right)  

 (2;5)(5;8)\left(2;5\right)\cup\left(5;8\right)  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите неравенство

 х+7<3\left|х+7\right|<3  

 (4;+)\left(-4;+\infty\right)  

 (;10)\left(-\infty;-10\right)  

 (10;4)\left(-10;-4\right)  

 (;10)(4;+)\left(-\infty;-10\right)\cup\left(-4;+\infty\right)