Graphs

Choose a quadratic function

•  $y=x-7^2$  

•  $y=\left(x+3\right)^3$  

•  $y=\left(\frac{1}{4}-x\right)^2$  

•  $y=\frac{3}{x^2}$  

•  $y=-2x^2-4x+5$  

Choose growth intervals of function  $y=x^2$  

•  $x\ \in\ \left[0\ ;\ +\infty\right)$  

•  $x\ \in\left(0\ ;\ +\infty\right)$  

•  $x\ \in\left(-\infty\ ;\ 0\right)$  

•  $x\ \in\left(-\ \infty\ ;\ 0\right]$  

Choose the top of parabola  $y=-x^2+2$  

• (2 ; 2)

• (-2 ; -2)

• (0 ; -2)

• (0 ; 2)

Axis of symmetry of the function  $y=x^2+4x+4$  is

• x = 4

• x = 2

• x = -2

• x = -4

y maximum of the function  $y=x^2+3x-12$  is  $y=\frac{1}{8}$  

• yes

• no

Zeros of function  $y=\left(x-5\right)^2$  is x = 5

• yes

• no

Function  $y=x^2-4x+16$  intersects Oy line in point

• (0; -16)

• (16; 0)

• (0; 16)

• (-16; 0)

The top of the quadratic function  $y=4x+x^2$  

• (-2; -4)

•  $\left(-\frac{1}{4};\ \frac{1}{8}\right)$  

• (2; 4)

•  $\left(\frac{1}{4};\ \frac{1}{16}\right)$  

Choose a quadratic function

• $y=\left(x+1\right)^2+4$

• $y=\left(x+1\right)^2-4$

• $y=\left(x-4\right)^2-1$

• $y=\left(x-4\right)^2+1$

• $y=\left(x-1\right)^2-4$

Choose recession interval of this graph

• $x\in\left[1;\ -2\right]$

• $x\in\left[5;\ 0\right]$

• $x\in\left[-2;\ 1\right]$

• $x\in\left[0;\ 5\right]$