Quadratic Functions

$$\left\{-2,\ 1\right\}$$

$$\left\{-1,\ 2\right\}$$

$$\left\{0\right\}$$

$$\left\{0,\ 1\right\}$$

$$\left\{1,\ -5\right\}$$

$$\left\{-1,\ 5\right\}$$

$$\left\{0,\ -1\right\}$$

$$\left\{0,\ 5\right\}$$

$$\left\{-1,\ -3\right\}$$

$$\left\{-2,-4\right\}$$

$$\left\{-4,\ 0\right\}$$

$$\left\{0,\ 4\right\}$$

$$\left\{0,\ -1\right\}$$

$$\left\{0,\ 3\right\}$$

$$\left\{-3,\ 1\right\}$$

$$\left\{-1,\ 3\right\}$$

$$\left\{-4,\ 4\right\}$$

$$\left\{0,\ -16\right\}$$

$$\left\{-4,\ 0\right\}$$

$$\left\{4,\ 0\right\}$$

$$\left\{-2,\ 3\right\}$$

$$\left\{-3,\ 2\right\}$$

$$\left\{0,-30\right\}$$

$$\left\{2,\ 0\right\}$$

$$a=1$$

$$a=-2$$

$$a=-1$$

$$a=24$$

$$\left\{-4,\ 6\right\}$$

$$\left\{0,\ 24\right\}$$

$$\left\{-1,\ 25\right\}$$

$$\left\{-6,\ 4\right\}$$