The equation is
.
Standard form of the vertical parabola is
.
Where vertex is
.
Focus is
.
Axis of symmetry
.
Directrix
.
The parabola equation
.

The equation is in the form of
.
Because the
term is squared and
,the graph opens up.
Use the standard form to determine the characteristics of the parabola.
\
.
Vertex :
.
Focus :
.
Directrix:
.
Axis of symmetry :
.
Graph the vertex, focus, axis of symmetry and directrix.
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| \
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\
| \
\
\ | \
![]() | \
\
| \
\
\ | \
![]() | \
\
| \
\
| \
Graph :
\Graph of
.

\
Vertex :
.
Focus :
.
Directrix:
.
Axis of symmetry :
.
Graph :
\Graph of
.
