$\"\"$

\

The function is $\"\"$ .

\

The standard form of quadratic function is $\"\"$ .

\

Find the axis of symmetry:

\

Formula for the equation of the axis of symmetry: $\"\"$ .

\

The value of $\"\"$ are substitute in the formula, $\"\"$ . \ \

\

$\"\"$

\

$\"\"$

\

The equation for the axis of symmetry is $\"\"$ . $\"\"$

\

Find the vertex:

\

To find the vertex, use the value of equation for the axis of symmetry as the x - coordinate of the vertex.

\

To find the y - coordinate, substitute the value of $\"\"$ in the original equation, $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The vertex point is $\"\"$ . $\"\"$

\

Find the y-intercept:

\

To find the y - intercept, the value of $\"\"$ substitute in the original equation, $\"\"$ . $\"\"$

\

$\"\"$

\

The y - intercept is $\"\"$ . $\"\"$

\

The vertex of the function is $\"\"$ , the equation for the axis of symmetry is $\"\"$ and its y - intercept is $\"\"$ .