Nierówności kwadratowe

Nierówności kwadratowe

10th Grade

16 Qs

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Nierówności kwadratowe

Nierówności kwadratowe

Assessment

Quiz

Mathematics

10th Grade

Hard

Used 77+ times

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16 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Rozwiązaniem nierówności (x+4)(x3)0\left(x+4\right)\left(x-3\right)\ge0   jest zbiór:

( ,4-\infty,-4  > \cup  < 3,3,\infty  )

 4,3\left\langle-4,3\right\rangle  

 RR 

 \varnothing  

 {4,3}\left\{-4,3\right\}  

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Rozwiązaniem nierówności (x2)(x+7)<0-\left(x-2\right)\left(x+7\right)<0  jest zbiór:

 (,7)(2,)\left(-\infty,-7\right)\cup\left(2,\infty\right)  

 (7,2)\left(-7,2\right)  

 RR  

 \varnothing 

 R{7,2}R-\left\{-7,2\right\}  

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Rozwiązaniem nierówności x(x+4)>0-x\left(x+4\right)>0  jest zbiór:

 (, 4)(0,)\left(\infty,\ -4\right)\cup\left(0,\infty\right)  

 (4,0)\left(-4,0\right)  

 RR  

 (4,)\left(-4,\infty\right)  

 (,4)\left(-\infty,-4\right)  

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Rozwiązaniem nierówności 3x(x1)03x\left(x-1\right)\le0  jest zbiór:

( ,0-\infty,0  > \cup  < 1,1,\infty  )

 0,1\left\langle0,1\text{}\right\rangle  

< 1,1,\infty  )

  {1,0}\ \left\{1,0\right\}  

( , 1-\infty,\ 1  >

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Rozwiązaniem nierówności 2(x5)202\left(x-5\right)^2\le0 jest zbiór:

( ,5-\infty,5  >

 R{5}R-\left\{5\right\}  

 {5}\left\{5\right\}  

< 5,5,\infty  )

 \varnothing  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Rozwiązaniem nierówności (x+3)2<0-\left(x+3\right)^2<0  jest zbiór:

 RR  

 \varnothing  

 {3}\left\{-3\right\}  

 R{3}R-\left\{-3\right\}  

 (3,)\left(-3,\infty\right)  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Rozwiązaniem nierówności 4(x+2)20-4\left(x+2\right)^2\ge0  jest zbiór:

 RR  

 \varnothing  

 {2}\left\{-2\right\}  

 {0,2}\left\{0,-2\right\}  

 R{2}R-\left\{-2\right\}  

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