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The figure above shows the xy-coordinate system with its quadrants labeled. Line $$l$$ (not shown) has the equation $$y=ax+b$$, where $$a$$ and $$b$$ are constants $$a < 0$$, and $$b < 0$$. Which quadrant or quadrants cannot contain any part of line $$l$$?
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· 相关考点
3.7.1 坐标系与直线方程
3.7.1 坐标系与直线方程
以上解析由 考满分老师提供。