The equation of the parabola is
.
Find the tangent line of the equation.
\Consider
.
Apply derivative on each side with respect to
.

.
The slope of the tangent line is
.
The equation of the tangent line is
.
The line passes through the point
.



Substitute
.



. \ \
Therefore, the tangent line of the parabola is
and passes through the point
.
The tangent line of the parabola is
and passes through the point
.