Mathematics - Parabola Question with Solution | TestHub

MathematicsParabolaGeneralEasy2 minQB

MathematicsEasysingle choice

If $x + k = 0$ is equation of directrix to parabola $y^{2} = 8 (x + 1)$ then $k =$

Answer:

Solution:

Focus is (1,0) third vertex is (- 1,0) . Hence directrix is x + 3 = 0

Stream:JEESubject:MathematicsTopic:ParabolaSubtopic:General

⏱ 2mℹ️ Source: QB

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