数学一题

invisiblewys

circle C and line k lie in the xy-plane. if circle C is centered at the origin and has radius 1, does line k intersect circle C?

1) the x-intercept of line k is greater than 1

2) the slope of lie k is -1/10

the answer is E.

insonbia13

画个草图可知相对位置关系，可能有交点也可能没交点。

invisiblewys

thanks !!!