MCQ
The circle ${x^2} + {y^2} + 4x - 4y + 4 = 0$ touches
  • A
    $x$-axis
  • B
    $y$-axis
  • $x$-axis and $y$-axis
  • D
    None of these

Answer

Correct option: C.
$x$-axis and $y$-axis
c
(c) Both axes, as centre is $(-2, 2)$ and radius is $2$.

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