Quiz about Ôn tập giữa học kì II

Question 1

Question 1.

Accepted Answer

$$\left(1;+\infty\right)$$

Answer

$$\left[1;+\infty\right)$$

Answer

$$R$$

Answer

$$\left(-\infty;1\right)\cup\left(1;+\infty\right)$$

Question 2

Question 2.

Accepted Answer

$$\overrightarrow{\ n\ }=\left(3;6\right)$$

Answer

$$\overrightarrow{\ n\ }=\left(1;-2\right)$$

Answer

$$\overrightarrow{\ n\ }=\left(-3;6\right)$$

Answer

$$\overrightarrow{\ n\ }=\left(-1;2\right)$$

Question 3

Question 3.

Accepted Answer

$$a>0,b<0,c<0$$

Answer

$$a<0,b<0,c<0$$

Answer

$$a>0,b>0,c<0$$

Answer

$$a<0,b>0,c<0$$

Question 4

Question 4.

Accepted Answer

$$S=\left\{3\right\}$$

Answer

$$S=\left\{1;3\right\}$$

Answer

$$S=\left\{3;6\right\}$$

Answer

$$S=\left\{1\right\}$$

Question 5

Question 5.

Accepted Answer

$$\ \overrightarrow{n\ }=\left(1;1\right)$$

Answer

$$\ \overrightarrow{n\ }=\left(1;-2\right)$$

Answer

$$\ \overrightarrow{n\ }=\left(2;-1\right)$$

Answer

$$\ \overrightarrow{n\ }=\left(2;-2\right)$$

Question 6

Question 6.

Accepted Answer

$$\left(-1;0\right),\left(-4;0\right)$$

Answer

$$\left(1;0\right),\left(4;0\right)$$

Answer

$$\left(0;-1\right),\left(0;-4\right)$$

Answer

$$\left(0;1\right),\left(0;4\right)$$

Question 7

Question 7.

Accepted Answer

$$a>0,\Delta\le0$$

Answer

$$a>0,\Delta\ge0$$

Answer

$$a<0,\Delta>0$$

Answer

$$a>0,\Delta<0$$

Question 8

Question 8.

Accepted Answer

$$1<m<3$$

Answer

$$m<1$$

Answer

$$m>3$$

Answer

$$m>2$$

Question 9

Question 9.

Accepted Answer

$$x=-2$$

Answer

$$x=2$$

Answer

$$y=2$$

Answer

$$y=-2$$

Question 10

Question 10.

Accepted Answer

$$I\left(1;1\right)$$

Answer

$$I\left(0;2\right)$$

Answer

$$I\left(2;0\right)$$

Answer

$$I\left(1;0\right)$$

Question 11

Question 11.

Accepted Answer

$$\left[3;9\right)$$

Answer

$$\left[1;3\right)$$

Answer

$$\left(0;2\right)$$

Answer

$$\left(1;3\right)$$

Question 12

Question 12.

Accepted Answer

$$b=-1$$

Answer

$$b=3$$

Answer

$$b=1$$

Answer

$$b=-2$$

Question 13

Question 13.

Accepted Answer

$$m\ge4$$

Answer

$$m\le4$$

Answer

$$m>4$$

Answer

$$m<4$$

Question 14

Question 14.

Accepted Answer

$$\frac{7}{5}$$

Answer

$$-7$$

Answer

$$7$$

Answer

$$\frac{1}{5}$$

Question 15

Question 15.

Accepted Answer

$$y=2x^2-4x-1$$

Answer

$$y=2x^2-4x+1$$

Answer

$$y=-2x^2-4x-1$$

Answer

$$y=x^2-4x-1$$

Question 16

Question 16.

Accepted Answer

$$x=t$$

$$y=t$$

Answer

$$x=1+t$$

$$y=1+2t$$

Answer

$$x=1+t$$

$$y=2+2t$$

Answer

$$x=2+t$$

$$y=1+t$$

Question 17

Question 17.

Accepted Answer

$$\left[-3;4\right]$$

Answer

$$\left[-4;3\right]$$

Answer

$$\left(-\infty;-4\right]\cup\left[3;+\infty\right)$$

Answer

$$\left(-\infty;-3\right]\cup\left[4;+\infty\right)$$

Question 18

Question 18.

Accepted Answer

$$\frac{\sqrt[]{10}}{5}$$

Answer

$$2\sqrt[]{10}$$

Answer

$$\frac{3\sqrt[]{10}}{5}$$

Answer

$$2$$

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