Question
Question: If the straight line y = mx is outside the circle x<sup>2</sup> + y<sup>2</sup> –20y + 90 = 0, then...
If the straight line y = mx is outside the circle
x2 + y2 –20y + 90 = 0, then
A
m< 3
B
| m | < 3
C
m > 3
D
| m | > 3
Answer
| m | < 3
Explanation
Solution
CM > r
̃ 1+m20−10>10
̃ | m | < 3