配套习题- 直线方程的五种形式 -【青果学院】

1/5单选题

难度：

1.

直线l 过点(－1,2)且与直线2x－3y＋4＝0垂直，则l 的方程是(　　)

A	3x＋2y－1＝0
B	3x＋2y＋7＝0
C	2x－3y＋5＝0
D	2x－3y＋8＝0

正确答案：QQ==

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

2/5单选题

难度：

2.

直线(2m²－5m＋2)x－(m²－4)y＋5m＝0的倾斜角为45°，则m的值为(　　)

A
B
C
D

正确答案：RA==

PHA+6Kej5p6Q77ya55Sx5bey55+l5b6XbTxzdXA+Mjwvc3VwPu+8jTTiiaAw77yM5LiUPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFLzNGL3JCQUNKbFRIVFd6UW8yWnhBQUFDdEFXYjBmTTYzMS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvM0UvM0YvckJBQ0psVEhUV3pRbzJaeEFBQUN0QVdiMGZNNjMxLnBuZyIgaGVpZ2h0PSI0MyIgd2lkdGg9Ijc2Ij7vvJ0x77yMPGJyPuino+W+l++8mm3vvJ0z5oiWbe+8nTIo6IiN5Y67KTxicj48L3A+

3/5单选题

难度：

3.

方程y＝k(x－2)表示(　　)

A	通过点(－2,0)的所有直线
B	通过点(2,0)的所有直线
C	通过点(2,0)且不垂直于x轴的所有直线
D	通过点(2,0)且除去x轴的所有直线

正确答案：Qw==

PHA+6Kej5p6Q77ya5piT6aqM6K+B55u057q/6YCa6L+H54K5KDIsMCnvvIzlj4jnm7Tnur/mlpznjoflrZjlnKjvvIzmlYXnm7Tnur/kuI3lnoLnm7Tkuo48aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNzIvQjEvckJBQ0UxVEhVb3FEbHJONUFBQUJFcHVjQS13ODU2LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83Mi9CMS9yQkFDRTFUSFVvcURsck41QUFBQkVwdWNBLXc4NTYucG5nIiBoZWlnaHQ9IjIxIiB3aWR0aD0iOCI+6L20Ljxicj48L3A+

4/5单选题

难度：

4.

过点(5,2)，且在x轴上的截距(直线与x轴交点的横坐标)是在y轴上的截距的2倍的直线方程是(　　 )

A	2x＋y－12＝0
B	2x＋y－12＝0或2x－5y＝0
C	x－2y－1＝0
D	x＋2y－9＝0或2x－5y＝0

正确答案：RA==

PHA+6Kej5p6Q77ya5b2Teei9tOS4iuaIqui3nWLvvJ0w5pe277yM5pa556iL6K6+5Li6ee+8nWt477yMPGJyPuWwhig1LDIp5Luj5YWl5b6X77yMee+8nTxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83Mi9BRi9yQkFDRTFUSFRWNkRTTEtRQUFBQmFKTEVTRjQ2OTIucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzcyL0FGL3JCQUNFMVRIVFY2RFNMS1FBQUFCYUpMRVNGNDY5Mi5wbmciIGhlaWdodD0iNDMiIHdpZHRoPSI4Ij5477yM5Y2zMnjvvI01ee+8nTDvvJs8YnI+5b2TYuKJoDDml7bvvIzmlrnnqIvorr7kuLo8aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNzIvQUYvckJBQ0UxVEhUVjdoZWxKMUFBQUJxWGdGTXFNNzAwLnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83Mi9BRi9yQkFDRTFUSFRWN2hlbEoxQUFBQnFYZ0ZNcU03MDAucG5nIiBoZWlnaHQ9IjQzIiB3aWR0aD0iMTQiPu+8izxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BOS83My9yQkFDRkZUSFRWNnd0S1VkQUFBQlkyY2JBd284MTcucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0E5LzczL3JCQUNGRlRIVFY2d3RLVWRBQUFCWTJjYkF3bzgxNy5wbmciIGhlaWdodD0iNDMiIHdpZHRoPSI4Ij7vvJ0x77yM5rGC5b6XYu+8nTxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zRS8zRi9yQkFDSmxUSFRWN0RjUU9zQUFBQmJKZ0wxNlU0MjkucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFLzNGL3JCQUNKbFRIVFY3RGNRT3NBQUFCYkpnTDE2VTQyOS5wbmciIGhlaWdodD0iNDMiIHdpZHRoPSI4Ij7vvIziiLTpgIk8aT5EPC9pPi48YnI+PC9wPg==

5/5单选题

难度：

5.

直线ax＋by＋c＝0(ab≠0)在两坐标轴上的截距相等，则a，b，c满足(　　)

A	a＝b
B	\|a\|＝\|b\|且c≠0
C	a＝b且c≠0
D	a＝b或c＝0

正确答案：RA==

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