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
.