国际顶尖MBA申请交流平台--TOPWAY MBA

标题: 数学一题 [打印本页]

作者: invisiblewys 时间: 2006-2-22 13:42 标题: 数学一题

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.

作者: insonbia13 时间: 2006-2-22 20:45

画个草图可知相对位置关系，可能有交点也可能没交点。

作者: invisiblewys 时间: 2006-2-23 07:29

thanks !!!

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