初三校運會練習

$$y=x^2$$

$$y=\frac{1}{x^2}$$

$$y=kx^2$$

$$y=k^2x$$

$$m\ne2$$

$$m=2$$

$$m>2$$

$$m<2$$

$$a\ne-1$$

$$a\ne1$$

$$a\ne0$$

$$a\ne2$$

±2

2

-2

±1

$$y=\left(x+1\right)^2+2$$

$$y=\left(x-1\right)^2-2$$

$$y=\left(x-1\right)^2+2$$

$$y=\left(x+1\right)^2-2$$

x=2

x=1

x=-1

x=0

4

5

6

7

$$y=\left(2x-1\right)^2+2$$

$$y=2\left(x-1\right)^2+2$$

$$y=2\left(x+1\right)^2-4$$

$$y=\left(2x+1\right)^2-4$$

$$y_1=y_2$$

$$y_1<y_2$$

$$y_1>y_2$$

$$y_1<y_2<y_3$$

$$y_1<y_3<y_2$$

$$y_3<y_2<y_1$$

$$y_2<y_1<y_3$$