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Parabola Opening Towards Negative $$x$$-Axis
$$y^2=-4ax$$
Terminology
- Vertex → $$(0,0)$$.
- Focus → $$(-a,0)$$.
- Directrix → $$x=a$$.
Usage
- Used for a parabola opening towards the negative $$x$$-axis.
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Parabola Opening Towards Negative $$x$$-Axis
$$y^2=-4ax$$
Terminology
- Vertex → $$(0,0)$$.
- Focus → $$(-a,0)$$.
- Directrix → $$x=a$$.
Usage
- Used for a parabola opening towards the negative $$x$$-axis.
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