Find x- and y-intercepts, where appropriate, for the graph of y = ax squared + bx + c, given a, b and c

1. Line-Out Intercepts - calculate intercepts, place curve on grid
2. Line-Out Intercepts - calculate intercepts, place curve on grid
3. The Plot Thickens - plot intercept points, identify curve
4. The Plot Thickens - plot intercept points, identify curve