作者wennythepooh (维尼)
看板GMAT
标题[计量] 一题DS数学不太懂，请问大家一下
时间Wed May 20 19:52:47 2009
Lines n and p lie in the xy-plane. Is the slope of line n less than the slope
of line p ?
(1) Lines n and p intersect at the point (5,1).
(2) The y-intercept of line n is greater than the y-intercept of line p.
答案是Ｃ，想问一下为何不是Ｂ
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◆ From: 218.164.148.9
1F：→ ghoul:只有y截距无法决定斜率 05/20 20:37
2F：→ wennythepooh:大概有了解了 感谢 05/20 23:40
3F：推 DreamKite:这题非把正斜率 跟负斜率 都要考虑 05/21 00:11