2.2.1.1.3.2a直线的点斜式方程(已知直线平行或垂直，求参数)
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Earned Point(s): 0 of 0, (0) 2.2.1.1.3.2a.001 已知直线l1：y = -2x + 3与直线l2：y = (2m – 1)x – 5平行，求m的值( ) 2.2.1.1.3.2a.002 直线y = ax – 2与y = (a + 2)x + 1互相垂直，求a的值( ) 2.2.1.1.3.2a.004 当a为何值时，直线l1：y = –x + 2a与直线l2：y = (a2 – 2)x + 2平行( ) 2.2.1.1.3.2a.005 当a为何值时，直线l1：y = (2a – 1)x + 3与直线l2：y = 4x – 3垂直( )
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