5. Find an equation of the parabola that has a focus at (4,11) and a vertex at (4,8). Then find the equation of the directrix. Graph the parabola. Equation of parabola: Equation of the directrix: Be sure to graph the parabola in your work. a. Equation of parabola: b. Equation of directrix: 18+ 16 14+ 12+ 10 8 6 -6-4 2 6 8 10 12 14

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