Quiz about 8 НҰСҚА

Question 1

$$\frac{1}{2}+\frac{1}{3}+\frac{1}{8}+\frac{1}{6}+\frac{1}{32}+\frac{1}{12}=?$$

Accepted Answer

$$\frac{8}{9}$$

Answer

$$\frac{1}{8}$$

Answer

$$\frac{7}{9}$$

Answer

$$\frac{3}{8}$$

Question 2

$$\cos^2x-\sin^2x\le-\frac{\sqrt[]{3}}{2}$$

Accepted Answer

$$\left[\frac{5\pi}{12}+\pi\kappa;\ \frac{7\pi}{12}+\pi\kappa\right]$$

Answer

$$\left(\frac{5\pi}{12}+\pi\kappa;\ \frac{7\pi}{12}+\pi\kappa\right)$$

Answer

$$\left[\frac{5\pi}{7}+2\pi\kappa;\ \frac{7\pi}{12}+2\pi\kappa\right]$$

Answer

$$\left[\frac{5\pi}{13}+\pi\kappa;\ \frac{7\pi}{13}+\pi\kappa\right]$$

Question 3

$$\sqrt[]{10+2\sqrt[]{21}}мәнін\ тап$$

Accepted Answer

$$\sqrt[]{7}+\sqrt[]{3}$$

Answer

$$\sqrt[]{7}-\sqrt[]{3}$$

Answer

$$\sqrt[]{5}+\sqrt[]{3}$$

Answer

$$\sqrt[]{5}-\sqrt[]{2}$$

Question 4

$$\left(2-3i\right)+i^{2024}\ \ өрнегінің\ мәні$$

Accepted Answer

$$120\left(-1+i\right)$$

Answer

$$120\left(1-i\right)$$

Answer

$$130\left(-1+i\right)$$

Answer

$$140\left(-1-i\right)$$

Question 5

$$f\left(x\right)=\log_2\left(\sin\left(tgx\right)\right)\ функциясының\ туындысының\ x_0=\frac{\pi}{4}\ нүктесіндегі\ мәні$$

Accepted Answer

$$2\operatorname{ctg}1\cdot\log_2e$$

Answer

$$2tg1+\log_2e$$

Answer

$$2tg1\cdot\ln2$$

Answer

$$2\operatorname{ctg}1\degree\cdot\ln2$$

Question 6

$$\left\{0;2;5;8;9\right\}\ \ цифрларынан\ төрт\ таңбалы\ тақ\ сандар\ саны$$

Accepted Answer

$$200$$

Answer

$$258$$

Answer

$$300$$

Answer

$$159$$

Question 7

$$y=2x-x^2\ \ функциясының\ өсімшесін\ тап$$

Accepted Answer

$$2\ \Delta x-2x\ \Delta x-\Delta x^2$$

Answer

$$\Delta x^2-2x\ \Delta x-\Delta x^2$$

Answer

$$3\ \Delta x+2x\ \Delta x-\Delta x^2$$

Answer

$$4\ \Delta x-2x\ \Delta x+\Delta x^2$$

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