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Kvadrātnevienādība

Authored by Ligita Arāja

Mathematics

9th Grade

Used 22+ times

Kvadrātnevienādība
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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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 x2−3x−4<0x^2-3x-4<0  nevienādības atrisinājums ir...

 (−1;4)\left(-1;4\right)  

 (−∞;−1)∪(4;∞)\left(-\infty;-1\right)\cup\left(4;\infty\right)  

[-1;4]

 (−∞;−1]∪[4;+∞)\left(-\infty;-1\right]\cup\left[4;+\infty\right)  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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Nevienādības x2-4x-5>0 atrisinājums ir ...

(−∞;−5)∪(1;+∞)\left(-\infty;-5\right)\cup\left(1;+\infty\right)

[-5;1]

(-5;1)

(−∞;−5]∪[1;+∞)\left(-\infty;-5\right]\cup\left[1;+\infty\right)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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 −x2+2x≥0-x^2+2x\ge0  Atrisinājums ir 

Tukša kopa

 (−∞;∞)\left(-\infty;\infty\right)  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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x2+6x+2>0 atrisinājums ir

x∈Rx\in R

Visi skaitļi

(−∞;+∞)\left(-\infty;+\infty\right)

Tukša kopa

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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 x2−2x−8≥0x^2-2x-8\ge0  atrisinājums ir ...

 (−∞;−2)∪(4;+∞)\left(-\infty;-2\right)\cup\left(4;+\infty\right)  

 [-2;4]

 (−∞;−2]∪[4;+∞)\left(-\infty;-2\right]\cup\left[4;+\infty\right)  

(-2;4)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Grafiks x asi krusto punktos -1 un 3 nosaki nevienādības

 −x2+2x+3≥0-x^2+2x+3\ge0  atrisinājumu.

[-1;3]

(-1;3)

 (−∞;−1)∪(3+∞)\left(-\infty;-1\right)\cup\left(3+\infty\right)  

 (−∞;−1]∪[3+∞)\left(-\infty;-1\right]\cup\left[3+\infty\right)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kurš attēls atbilst?

 −x2−2x≥0 -x^2-2x\ge0\   nevienādības atrisinājums ir [0;2]

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