摘要:10.过点M(2.1)的直线与x轴.y轴分别相交于P.Q两点.且|MP|=|MQ|,则直线的方程是( ) A.x-2y+3=0 B.2x-y-3=0 C.2x+y-5=0 D.x+2y-4=0
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过点M(1,-2)的直线与x轴、y轴分别交于P、Q两点,若M恰为线段PQ的中点,则直线PQ的方程为( )
- A.2x+y=0
- B.x-2y-5=0
- C.x+2y+3=0
- D.2x-y-4=0
过点
M(2,1)的直线l与x轴、y轴分别相交于P、Q两点,且|MP|=|MQ|,则直线l的方程是[
]|
A .x-2y+3=0 |
B .2x-y-3=0 |
|
C .2x+y-5=0 |
D .x+2y-4=0 |