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如图,A、C分别是x轴、y轴上的点,双曲线y=(x>0)与矩形OABC的边BC、AB分别交于E、F,若AF:BF=1:2,则△OEF的面积为( )
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如图在平面直角坐标系中△ABC的边AB∥x轴点A.在双曲线y=x<0上点B.在双曲线y=x>0上边A
如图6在平面直角坐标系中直线y=-3x+3与x轴y轴分别交干A.B.两点以AB为边在第一象限作正方形
如图M.为双曲线y=上的一点过点M作x轴y轴的垂线分别交直线y=-x+m于D.C.两点若直线y=-x
如图点
在双曲线y=
上,点
在双曲线y=
(k≠0)上,AB∥x轴,分别过点A.,B.向x轴作垂线,垂足分别为D.,
,若矩形ABCD的面积是8,则k的值为( ) A.12B.10C.8
6
如图点B.33在双曲线y=x>0上点D.在双曲线y=﹣x<0上点A.和点C.分别在x轴y轴的正半轴上
如图点A.在双曲线y=x>0上点B.在双曲线y=x>0上且AB∥y轴点P.是y轴上的任意一点则△PA
如图6在平面直角坐标系中直线y=-3x+3与x轴y轴分别交干A.B.两点以AB为边在第一象限作正方形
设k>1则关于xy的方程1-kx2+y2=k2-1所表示的曲线是
长轴在y轴上的椭圆
长轴在x轴上的椭圆
实轴在y轴上的双曲线
实轴在x轴上的双曲线
如图已知直线y1=x+m与x轴y轴分别交于点A.B.与双曲线y2=xy2.
如图在平面直角坐标系中△ABC的边AB∥x轴点A在双曲线y=x<0上点B在双曲线y=x>0上边AC中
θ是第三象限角方程x2+y2sinθ=cosθ表示的曲线是
焦点在y轴上的双曲线
焦点在x轴上的双曲线
焦点在y轴上的椭圆
焦点在x轴上的椭圆
如图点B.33在双曲线y=x>0上点D.在双曲线y=-x<0上点A.和点C.分别在x轴y轴的正半轴上
如图M.为双曲线上的一点过点M作x轴y轴的垂线分别交直线y=-2x+m于D.C.两点若直线y=-2x
如图已知直线y1=x+m与x轴y轴分别交于点A.B与双曲线x<0分别交于点C.D且C点的坐标为﹣12
如图直线y=x―4与y轴x轴分别交于点
B.,点C.为双曲线y=
上一点,OC∥AB,连接BC交双曲线于点D.,点D.恰好是BC的中点,则k的值是………… ( ) A.
2
4
如图点B.33在双曲线y=x>0上点D.在双曲线y=﹣x<0上点A.和点C.分别在x轴y轴的正半轴上
如图点B.33在双曲线y=x>0上点D.在双曲线y=-x
若ax2+by2=bab
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椭圆,焦点在x轴上
椭圆,焦点在y轴上
在方程mx2-my2=n中若mn
焦点在x轴上的椭圆
焦点在x轴上的双曲线
焦点在y轴上的椭圆
焦点在y轴上的双曲线
如图M.为双曲线y=上的一点过点M.作x轴y轴的垂线分别交直线y=-x+m于D.C.两点若直线y=-
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