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在直角坐标系中,点A(a,),B(2,﹣3),则线段AB的长度的最小值为 .
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在平面直角坐标系中已知线段AB的两个端点分别是
(-4,-1),
(1,1),将线段 AB平移后得到线段A.′B.′,若点A.′的坐标为(-2,2),则点B.′的坐标为 ( ) A.(3,4) B.(-1,-2)
(-2,-1)
(4,3)
在直角坐标系中点
(3,1),点
(3,3),则线段AB的中点坐标是( ). (A.)(2,3) (B.)(3,2) (
)(6,2) (
)(6,4)
在平面直角坐标系中将线段AB平移到A.′B.′若点A.B.A.′的坐标-200321则点B.′的坐标
在平面直角坐标系中线段AB的端点A.的坐标为-32将其先向右平移4个单位再向下平移3个单位得到线段A
在平面直角坐标系中将线段AB平移到A.′B.′若点A.B.A.′的坐标为﹣200321则点B.′的坐
在平面直角坐标系中将线段AB平移到A/B/若A.B.A/的坐标分别为-20032-1则点B/的坐标是
如图在平面直角坐标系中将线段AB绕点A.按逆时针方向旋转90°后得到线段AB′则点B.′的坐标为.
在平面直角坐标系中线段
′
′是由线段AB经过平移得到的,已知点A.(-2,1)的对应点为A.′(3,4),点B.的对应点为B.′(4,0),则点B.的坐标为( ). (A.)(9,3) (B.)(-1,-3) (
)(3,-3) (
)(-3,-1)
线段AB的长为5点A.在平面直角坐标系中的坐标为3﹣2点B.的坐标为3x则点B.的坐标为.
在平面直角坐标系中点A.B.的坐标分别是m33m-13.若线段AB与直线y=2x+1相交则m的取值范
在平面直角坐标系中将线段AB平移到A′B′若点ABA′的坐标为﹣200321则点B′的坐标是
在直角坐标系中已知点A02B.13则线段AB的长度是.
在平面直角坐标系中线段AB的两个端点的坐标分别为A.-21B.13将线段AB通过平移后得到线段A.′
在平面直角坐标系中已知线段AB的两个端点分别是A-4-1B11将线段AB平移后得到线段A'B'若点A
(4,3)
(3,4)
(-1,-2)
(-2,-1)
已知平面直角坐标系中两点A.-23B.-31连接AB平移线段AB得到线段A.1B.1若点A.的对应点
平面直角坐标系中已知点A.-1-3和点B.1-2则线段AB的长为
在平面直角坐标系中将线段AB平移到A.′B′若点A.B.A.′的坐标-200321则点B.′的坐标是
在平面直角坐标系中线段
′
′是由线段AB经过平移得到的,已知点A.(-2,1)的对应点为A.′(3,-1),点B.的对应点为B.′(4,0),则点B.的坐标为:( ) A.(9,-1) B.(-1,0)
(3,-1)
(-1,2)
在平面直角坐标系中有两个点A﹣24B44平移线段AB得到线段A′B′若点B′的坐标为2﹣6则线段A′
(﹣1,﹣3)
(﹣1,﹣4)
(﹣1,﹣5)
(﹣1,﹣6)
在直角坐标系xOy中以原点O.为极点x轴的正半轴为极轴建立极坐标系.已知射线θ=与曲线t为参数相交于
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