Q242 / 270 · NDA 2013 (Phase 2) · Mathematics

The axis of the parabola $y^2+2 x=0$ is

  • A
    x = 0
  • Correct answer
    B
    y = 0
  • C
    x = 2
  • D
    y = 2

Solution

$y^2+2 x=0 \Rightarrow y^2=-2 x$ Axis of this parabola is $x$-axis i.e., $y=0$

Hence, the correct answer is option: 'B'.

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