→ ghoul:只有y截距無法決定斜率 05/20 20:37
→ wennythepooh:大概有了解了 感謝 05/20 23:40
推 DreamKite:這題非把正斜率 跟負斜率 都要考慮 05/21 00:11
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，想問一下為何不是Ｂ
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