The parabola equation is .
Since the term is squared, the parabola is horizontal.
Standard form of horizontal parabola is .
where ,
is vertex, focus at
and directrix is
.
Consider . \ \
.
Compare with .
Vertex . \ \
.
Since , the parabola opens to the left.
Focus .
Focus.
Directrix
Directrix .
Axis of symmetry
.
Draw the coordinate plane.
\Plot the vertex, focus of parabola.
\Draw the axis of symmetry and directrix.
\Connect the plotted points with smooth curve.
\Vertex : .
Focus.
Directrix .
Graph of :
\
\
\
\