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Тесттик эсептер

Authored by Сажира Исакова

Mathematics

5th Grade

Used 4+ times

Тесттик эсептер
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7 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 Эгер р=14болсо,  46р44р Эгер\ р=\frac{1}{4}болсо,\ \ 4^{6р}\cdot4^{-4р}\   

1

2

32

4

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 54131625013\frac{54^{\frac{1}{3}}\cdot\sqrt{16}}{250^{\frac{1}{3}}}  

1,2

 5\sqrt{5}  

2,4

2

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 log4с=3,5  болсо  log4(64с)\log_4с=-3,5\ \ болсо\ \ \log_4\left(64с\right)  

-6,5

-0,5

-10,5

-67,5

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 у=(х3)cosx  туундусун тапкылау=\left(х-3\right)\cos x\ \ туундусун\ тапкыла  

 y1=cosx+(x3)sinxy^1=\cos x+\left(x-3\right)\sin x  

 y1=(x3)sinxcosxy^1=\left(x-3\right)\sin x-\cos x  

 y1=cosx(x3)sinxy^1=\cos x-\left(x-3\right)\sin x  

 y1=sinxy^1=-\sin x  

5.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 f(x)=253x14    D(x)=?f\left(x\right)=\frac{25}{3-x^{\frac{1}{4}}}\ \ \ \ D\left(x\right)=?  

 (0;3)(3;)\left(0;3\right)\cup\left(3;\infty\right)  

 (0;)\left(0;\infty\right)  

 (0;81)(81;)\left(0;81\right)\cup\left(81;\infty\right)  

 (;81)(81;)\left(-\propto;81\right)\cup\left(81;\infty\right)  

6.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 log12(7х21)>log126х\log_{\frac{1}{2}}\left(7х-21\right)>\log_{\frac{1}{2}}6х  

 (;21)\left(-\infty;21\right)  

 (3;21)\left(3;21\right)  

 (3;)\left(3;\infty\right)  

 (21;)\left(21;\infty\right)  

7.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 2cos(π4x)1=02\cos\left(\frac{\pi}{4}x\right)-1=0  

 ±43+8n       nz\pm\frac{4}{3}+8n\ \ \ \ \ \ \ n\in z  

 43+8n         nz\frac{4}{3}+8n\ \ \ \ \ \ \ \ \ n\in z  

 ±23+4n          nz\pm\frac{2}{3}+4n\ \ \ \ \ \ \ \ \ \ n\in z  

 23+4n      nz\frac{2}{3}+4n\ \ \ \ \ \ n\in z  

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