Now put in the values for a b and c. Donate or volunteer today. This video explains how to determine a quadratic function given the x and y intercepts of the graphSite.
Intercepts from a graph.
Intercepts from an equation. First think of the x intercepts as points x0 so we have a parabala in which we are given 3 points. Note that the x-intercepts are not merely -3 and 4. Set y 0 to get the equation.