11-24 Graphing Parabolas An equation of a parabola is given. (a) Find the focus, directrix, and focal diameter of the parabola. (b) Sketch a graph of the parabola and its directrix.
The focus, directrix, and the focal diameter of the parabola.
The equation of parabola is given by,
And have the following properties.
Focal diameter .
Consider the given equation.
Compare the above equation with the equation of parabola.
The value of is .
The focus of the parabola is given by,
The directrix of the parabola is given by,
The graph of the parabola and its directrix.
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