- $$\infty$$ ; + $$\infty$$

- $$\infty$$ ; 2

- $$\infty$$ ; -2

-2;2

y=2

y=-2

y=-3

y=-1

-2; 2

-1; 2

-3; -1

0; 2

- $$\infty$$ ; 2

-2; $$\infty$$

- $$\infty$$ ; -2

-2; $$\infty$$

x=2

x=-3

x=-1

x=-2

y= $$-2\left(x+2\right)^2+2$$

y= $$\left(x+2\right)^2+2$$

y= $$-\left(x-2\right)^2+2$$

y= $$\left(x-2\right)^2+2$$

(-2; 2)

(-1; 2)

(-3; -1)

(2; 2)

a>0, D<0

a<0, D>0

a>0, D>0

a<0, D<0

(- $$\infty$$ ; -2) $$\cup$$ (-2; + $$\infty$$ )

(- $$\infty$$ ; 2) $$\cup$$ (2; + $$\infty$$ )

(-2; 2)

(-3; -1)