Question
Question: The circle x<sup>2</sup> + y<sup>2</sup> – 8x + 4y + 4 = 0 touches –...
The circle x2 + y2 – 8x + 4y + 4 = 0 touches –
A
x-axis
B
y-axis
C
Both x and y-axis
D
Does not touch the axes
Answer
y-axis
Explanation
Solution
Centre (4, –2)
r = 4
Ž touch y axis