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10 Qs

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Assessment

Quiz

Mathematics

7th - 12th Grade

Practice Problem

Hard

CCSS
HSN.CN.A.1, 6.NS.C.7C

Standards-aligned

Created by

Aneta Michaluk

Used 373+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Wyrażenie  22\left|-2-\sqrt{2}\right|  jest równe:

 2+22+\sqrt{2}  

 222-\sqrt{2}  

 22-2-\sqrt{2}  

 2+2-2+\sqrt{2}  

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Rozwiązaniem nierówności  x<5\left|x\right|<5  jest zbiór:

 5<x<5-5<x<5  

 x<5x<5  

 x>5x>-5  

 x>5 lub x<5x>-5\ lub\ x<5  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Suma przedziałów  (;4><4;)\left(-\infty;-4>\cup<4;\infty\right)  jest zbiorem rozwiązań nierówności:

 x<4\left|x\right|<4  

 x>4\left|x\right|>4  

 x4\left|x\right|\ge4  

 x4\left|x\right|\le4  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Rozwiązaniem równania  x=5\left|x\right|=5  jest:

 x=5x=5  

 x=5x=-5  

 x=5 lub x=5x=5\ lub\ x=-5  

 xϕx\in\phi  

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Liczba  9247\left|9-2\right|-\left|4-7\right|  jest równa:

4

10

-10

-4

Tags

CCSS.6.NS.C.7C

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 110\left|1-\sqrt{10}\right|  jest równa:

 1101-\sqrt{10}  

 1+101+\sqrt{10}  

 1+10-1+\sqrt{10}  

 110-1-\sqrt{10}  

Tags

CCSS.HSN.CN.A.1

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Dla jakich wartości x spełnione jest równanie  x=3\left|x\right|=-3  ?

 x=3 lub x=3x=-3\ lub\ x=3  

 xϕx\in\phi  

 x=3x=-3  

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