If $x+5=0$ is the directrix and $(-3,0)$ the vertex of a parabola, then equation of this parabola is ____

Question

If $x+5=0$ is the directrix and $(-3,0)$ the vertex of a parabola, then equation of this parabola is ____, $y^2=8(x+3)$, $y^2=8(x-3)$, $x^2=8(y+3)$, $x^2=8(y-3)$

MARKS App · Accepted Answer

Given parabola is, So, its equation is, $y^2=4 a(x-(-3)$ Where $a=2$ units. $\therefore \quad y^2=8(x+3)$

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