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The equation is .
Since the square term is , the parabola is vertical.
Standard form of the vertical parabola is ,
where is vertex.
Focus .
Axis of symmetry .
Directrix .
The parabola equation .
Compare the above equation with .
Since , the parabola opens up.
Vertex
Focus
Axis of symmetry
Directrix .
Graph the vertex, focus, axis of symmetry and directrix.
Construct a table of values to graph the general shape of the curve.
.
Solve for .
.
Plot the points and connect the curve.
Graph:
Graph of :
Vertex .
Focus .
Axis of symmetry .
Directrix .
Graph of :
.
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