NDA Maths Mock Test – 01 – Q66

Question:

The axis of the parabola y2 + 2x = 0 is

The axis of the parabola y2 + 2x = 0 is

Options:

  • x = 2
  • y = 2
  • x = 0
  • y = 0
  • x = 2
  • y = 2
  • x = 0
  • y = 0

Correct Answer: d)

Explanation:

‘ Gi√en, equation of parabola is
y?+2x=0
‘ = y? = —2z
‘ which is of the form y? = —4az.
1 So, axis of the parabola is y = 0.

‘ Gi√en, equation of parabola is
y?+2x=0
‘ = y? = —2z
‘ which is of the form y? = —4az.
1 So, axis of the parabola is y = 0.

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