题目内容
已知M(3,-2),N(-5,-1),则A.(8,1) B.(-8,1) C.(-8,-1) D.(-4,
)
解析:![]()
=
(-5-3,-1+2)=(-4,
).
答案:D
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已知M(3,-2),N(-5,-1),且
=
,则P点的坐标为( )
| MP |
| 1 |
| 2 |
| MN |
| A、(-8,1) | ||
B、(-1,-
| ||
C、(1,
| ||
| D、(8,-1) |