$\"\"$

Vertex of a parabola is $\"\"$ .

Point on the parabola is $\"\"$ .

The equation of parabola is $\"\"$ .

Substitute $\"\"$ and $\"\"$ in the above eqaution.

$\"\"$

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$

Equation of parabola is $\"\"$ .

$\"\"$

Graph :

Graph the parabola $\"\"$ .

Plot the points $\"\"$ , $\"\"$ on the curve.

$\"\"$

Equation of parabola is $\"\"$ .

Graph of the parabola $\"\"$ .

$\"\"$