Sketch each parabola below with the given information. .

1. A parabola with $x-$intercepts $(2,0)$ and $(7,0)$ and $y-$intercept $(0,−8)$.

2. A parabola with exactly one $x-$intercept at $(−1,0)$ and $y-$intercept $(0,3)$.

3. The parabola represented by the equation $y=(x+5)(x−1)$.

   Use the eTool below to help sketch each of the parabolas.
   Click on the link at right for the full eTool version: CCA 8-86 HW eTool