2.1.1.1.1.2.2已知两点坐标，利用斜率公式求直线的斜率和倾斜角
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Earned Point(s): 0 of 0, (0) 2.1.1.1.1.2.2.003 已知点A(-3,2)，B(0,-1)，则直线AB的倾斜角为( ) 2.1.1.1.1.2.2.004 过点A(-3,2)与B(-2,3)的直线的倾斜角为( ) 2.1.1.1.1.2.2.007 直线l经过点A(0,-1)，B(1,1)，则直线l的斜率是( ) 2.1.1.1.1.2.2.009 经过A(-2,0)，B(-5,3)两点的直线的倾斜角是( ) 2.1.1.1.1.2.2.0010 已知点A(2,3)，B(-3,-2)，则直线AB的斜率是( )
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