\[Equation\]	\[Graph\]	\[Focus\]	\[Length\space of\space LR\]	\[Equation\space of\space Directrix\]	\[Equation\space of\space Axis\]
\[y^2=4ax\]		\[(a,0)\]	\[4a\]	\[x=-a\]	\[y=0\]
\[y^2=-4ax\]		\[(-a,0)\]	\[4a\]	\[x=a\]	\[y=0\]
\[x^2=4ay\]		\[(0,a)\]	\[4a\]	\[y=-a\]	\[x=0\]
\[x^2=-4ay\]		\[(0,-a)\]	\[4a\]	\[y=a\]	\[x=0\]

Equations of Tangent of all Parabolas in slope form

\[Equations\space of\] \[Parabola\]	\[Point\space of\space contact\space in\] \[\space terms\space of\space slope(m)\]	\[Equation\space of\space tangent\space in\] \[\space terms\space of\space slope(m)\]	\[Condition\space of\space Tangency\]
\[y^2=4ax\]	\[(\frac{a}{m^2},\frac{2a}{m})\]	\[y=mx+\frac{a}{m}\]	\[c=\frac{a}{m}\]
\[y^2=-4ax\]	\[(-\frac{a}{m^2},-\frac{2a}{m})\]	\[y=mx-\frac{a}{m}\]	\[c=-\frac{a}{m}\]
\[x^2=4ay\]	\[(2am,am^2)\]	\[y=mx-am^2\]	\[c=-am^2\]
\[x^2=-4ay\]	\[(-2am,am^2)\]	\[y=mx+am^2\]	\[c=am^2\]

Equations of Normal of all Parabolas in slope form

\[Equations\space of\] \[Parabola\]	\[Point\space of\space contact\space in\] \[\space terms\space of\space slope(m)\]	\[Equation\space of\space normal\space in\] \[\space terms\space of\space slope(m)\]	\[Condition\space of\space Normality\]
\[y^2=4ax\]	\[(am^2,-2am)\]	\[y=mx-2am-am^3\]	\[c=-2am-am^3\]
\[y^2=-4ax\]	\[(am^2,2am)\]	\[y=mx+2am+am^3\]	\[c=2am+am^3\]
\[x^2=4ay\]	\[(-\frac{2a}{m},\frac{a}{m^2})\]	\[y=mx+2a+\frac{a}{m^2}\]	\[c=2a+\frac{a}{m^2}\]
\[x^2=-4ay\]	\[(\frac{2a}{m},-\frac{a}{m^2})\]	\[y=mx-2a-\frac{a}{m^2}\]	\[c=-2a-\frac{a}{m^2}\]

Director Circle of all Parabolas

\[Equations\space of\space Parabola\]	\[Equation\space of\space Director\space Circle\]
\[y^2=4ax\]	\[x\,+a\space=\,0\]
\[y^2=-4ax\]	\[x\,-a\space=\,0\]
\[x^2=4ay\]	\[y\,+a\space=\,0\]
\[x^2=-4ay\]	\[y\,-a\space=\,0\]