The circle x^2 + y^2 + 4x - 4y + 4 = 0 touches - Vidyadip

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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