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Математика

Authored by Emma Orik

Mathematics

1st - 11th Grade

Математика
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30 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Бөлшекті қысқартыңыз:  b8b6b6b4\frac{b^8-b^6}{b^6-b^4}  

 b2ab^2-a  

 bab-a  

 b2b^2  

 ba2b-a^2  

 b+ab+a  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 1+log35=2log3(x1)1+\log_35=2-\log_3\left(x-1\right)  Теңдеуді шешіңіз:

 14151\frac{\text{4}}{\text{15}}  

 415\frac{4}{15}  

 415-\frac{\text{4}}{\text{15}}  

 1415-1\frac{4}{15}  

 215\frac{2}{15}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Теңдеуді шешіңіз: log3cosx=0Теңдеуді\ шешіңіз:\ \log_3\cos x=0  

 3πn, nZ3\pi n,\ n\in Z  

 3π2n , nZ\frac{3\pi}{2}n\ ,\ n\in Z  

 π2n, nZ\frac{\pi}{2}n,\ n\in Z  

 2πn, nZ2\pi n,\ n\in Z  

 πn, nZ\pi n,\ n\in Z  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Теңсіздікті шешіңіз:  log13(423x)>1\log_{\frac{1}{3}}\left(4-\frac{2}{3}x\right)>-1  

 (; 1)\left(-\infty;\ -1\right)  

 (9;4)\left(9;4\right)  

 (1,5; 5)\left(1,5;\ 5\right)  

 (1: 2)\left(1:\ 2\right)  

 (1,5; 6)\left(1,5;\ 6\right)  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (x2)(x+3)x8=0\left(x-2\right)\left(x+3\right)\sqrt{x-8}=0  теңдеуінің түбірлерінің қосындысын табыңыз:

8

9

7

2

0

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Теңдеуді шешіңіз:  2cos2xcosx=02\cos^2x-\cos x=0  

 π2+πn; ±π3+2πk; n,kZ\frac{\pi}{2}+\pi n;\ \pm\frac{\pi}{3}+2\pi k;\ n,k\in Z  

 π3+π3n; π3+2π3k; n,kZ\frac{\pi}{3}+\frac{\pi}{3}n;\ \frac{\pi}{3}+\frac{2\pi}{3}k;\ n,k\in Z  

 π2+2π3n; π3+2π3k; n,kZ\frac{\pi}{2}+\frac{2\pi}{3}n;\ \frac{\pi}{3}+\frac{2\pi}{3}k;\ n,k\in Z  

 π6+2π3n; π6+2π3k; n,kZ\frac{\pi}{6}+\frac{2\pi}{3}n;\ -\frac{\pi}{6}+\frac{2\pi}{3}k;\ n,k\in Z  

 π6+2π3n; π3+2π3k; n,kZ-\frac{\pi}{6}+\frac{2\pi}{3}n;\ -\frac{\pi}{3}+\frac{2\pi}{3}k;\ n,k\in Z  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 y=5x+4y=-5x+4  функциясына кері функцияны табыңыз:

 y=5-x5y=\frac{\text{5-x}}{\text{5}}  

 y=4-x5y=\frac{\text{4-x}}{\text{5}}  

 y=4+x5y=\frac{\text{4+x}}{\text{5}}  

 y=1-x5y=\frac{\text{1-x}}{\text{5}}  

 y=4xy=\text{4}-x  

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