首页
已知离心率为e的曲线-=1,其右焦点与抛物线y2=16x的焦点重合,则e的值为A.B.C....
试题详情
已知离心率为e的曲线
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAxCAYAAADqZJipAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAVBJREFU
SEvFVYkNwyAMpCuzDpt4DqZgCdfmSVMXY4NaNRKqUnHxnZ/zA+kJJw8DT55wAqosdWBBiIFl0EmY
xUUVWCAhlHY7JwJHwP5a//NRLYBRRPUBiWg6AlLENHh3ra6IGd71uTQWiJhkSq3kMCheFDPCja5K
tZag1nCceJXHRVVrkMB0+KuD0qzYM3CjygWmzshKInQgNRP35SsRdutfyWGKs7SrGnsbU0TSuoGs
EXOisek6C/3CpOAyMptGp9jnT4yPQdVOxkfEfUhDuKZjUcf9uDU5u+dPVPfV/Tarupsv67hyc38D
CDf3A4Wb+4HCzd1A6eYu4MzNTaDm5kvgys3NiA7r4OXJI0Y7In9u4Ll11OKOpdLbzLBKotou3u+x
NsvVA5mqMGL+0PtKm3qOtP66vRzeGu5AufJWQ96odsNiXaN2tsZD7/hGA+yFfgI90L0W/BTXrwAA
AABJRU5ErkJggg==
)
-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAAqCAYAAABoQtHyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAShJREFU
SEvVVNsNxCAMy63MOmySOTJFlsgBLRAe4XF/h1SpVTFxYpuPhAW3K4JuF9wCEjMbxIIOIvXweCG1
0QQxekF+dpIPQIfyfq4qqaMZxalqhz2R+GtQqOQz1/UgKj3C2s9meg+I0YnXo9tVigBXaJHg+24O
Io05aZQfVyQ4nF5rAciqF95REyXkzDGpUuQOqlvyrW164EOPvAIFz2E3rg5VQZkSYWnYMnMH2lep
4r7Nk3L2KmdPpeRiUEKuIDmEAbTpvTkF+ECXYeQ6kWtS9e9vNmpN2Zt0/D7Kk+m9017yvt960lXG
4MEQ9banQeB4w9a06sMrPeZygxZrGWFcXMv6UuniPp+cTc3WaePHKb32vhu5TEBranN6B1EZKu2o
/ZthTyPyBXLYyY4FStxFAAAAAElFTkSuQmCC
)
=1,其右焦点与抛物线y
2=16x的焦点重合,则e的值为( )
A.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALxJREFU
OE/FU9EVxCAI41ZmHTZhDqZgCQ61XpVi9e/48rUhRBI/5gVvVQBvBWcAZUOAMsqAZOpxBjFCNq2f
/eygEQOmev1sjUIRMBIKZSPuzoWGgeISi9wU1R3FayqjwU90AnCVk47AoMYYb1E6+pLCDlINUdOh
Fy+O7RlGgfH8H5HZJicz3ahHojrArSaWxIsKcGoquVyMEEJrGVm4eac4AZQUZ9vssTsIzOTkZg+5
yM3r3edhQ/B8OLHhCzlK0OZJ9uULAAAAAElFTkSuQmCC
)
B.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAkCAYAAACe0YppAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALpJREFU
OE+1kosNwzAIRN2VWYdNmIMpWIKCXSf+YOcjlSiSFZ2PC7yPWqVduWBX6aFAlCAp8nmtcxACz7MQ
CCkSrxzMGknFnrAFIyiJ940EjE3PQMCYcrDxhWKpwxwufjPO0I3y0mEe/NNdvHGIZlC/BXN40+Ie
UcYC1H20OJVdsCI4C152nogSx+Qs3+6SSTU20tyi3D64WAmy6he2whIOKqN/hJ6Iyr26HDeQ8xsN
tEPGEdr/LWuz0i+MbNDm+NvGOQAAAABJRU5ErkJggg==
)
D.
相关试题
-
已知双曲线
中心在原点,右焦点与抛物线y2=16x的焦点重合,则该双曲线的离心率为________.
-
已知双曲线
中心在原点,右焦点与抛物线y2=16x的焦点重合,则该双曲线的离心率为________.
-
已知双曲线
中心在原点,右焦点与抛物线y2=16x的焦点重合,则该双曲线的离心率为________.
-
已知双曲线
(a>0)的中心在原点,右焦点与抛物线y2=16x的焦点重合,则该双曲线的离心率等于( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALdJREFU
OE+9U9EVhDAI663MOmzCHEzRJZCW6ysoracfh8+fvhjSJH5Ep+ymAXZTHgKqEBRBnp8FhkrQ9CwA
lQSJVwxKjSRVn3QFIwjVtjcDMLqdCYCxdGHnF4xSTj7cXDPXEKy8Zbga/zSLNwyZB+Ms8eHNip8b
NcrS90OL3ubrAwu6Q89qgBB5XKoA89+uhuL6eo3bujHaFTRM2i7W9T4JKwrOATuG2fChQX8YcKX1
v92/w1qlegCBfNWPn8LVvwAAAABJRU5ErkJggg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAkCAYAAACe0YppAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALNJREFU
OE+9U8ENBCEI9FqmHTqhDqqwCQ5WvUMWPR+bIzGbmHEYhtmXaJVdGWBX5RhQCaxVO0BS+8vOwILu
0rM2AKMg580UUIWgUxeUiJtEMhoQhIYAsyASX2Jdv2TMWXAO2DEwRg2VBIZB+o3jnlu92skDDJ8N
OqHj7grTcR6eEtlW782aNIzY5QC1HIlXDEqNFtRFi+8GM8AU2ATQcng/0IMZnPwx5vgFlj4cAO4b
+cM23/8S1Y8CDEIRAAAAAElFTkSuQmCC
)
D.
-
已知双曲线
(a>0)的中心在原点,右焦点与抛物线y2=16x的焦点重合,则该双曲线的离心率等于( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALdJREFU
OE+9U9EVhDAI663MOmzCHEzRJZCW6ysoracfh8+fvhjSJH5Ep+ymAXZTHgKqEBRBnp8FhkrQ9CwA
lQSJVwxKjSRVn3QFIwjVtjcDMLqdCYCxdGHnF4xSTj7cXDPXEKy8Zbga/zSLNwyZB+Ms8eHNip8b
NcrS90OL3ubrAwu6Q89qgBB5XKoA89+uhuL6eo3bujHaFTRM2i7W9T4JKwrOATuG2fChQX8YcKX1
v92/w1qlegCBfNWPn8LVvwAAAABJRU5ErkJggg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAkCAYAAACe0YppAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALNJREFU
OE+9U8ENBCEI9FqmHTqhDqqwCQ5WvUMWPR+bIzGbmHEYhtmXaJVdGWBX5RhQCaxVO0BS+8vOwILu
0rM2AKMg580UUIWgUxeUiJtEMhoQhIYAsyASX2Jdv2TMWXAO2DEwRg2VBIZB+o3jnlu92skDDJ8N
OqHj7grTcR6eEtlW782aNIzY5QC1HIlXDEqNFtRFi+8GM8AU2ATQcng/0IMZnPwx5vgFlj4cAO4b
+cM23/8S1Y8CDEIRAAAAAElFTkSuQmCC
)
D.
-
已知离心率为e的曲线
-
=1,其右焦点与抛物线y2=16x的焦点重合,则e的值为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALxJREFU
OE/FU9EVxCAI41ZmHTZhDqZgCQ61XpVi9e/48rUhRBI/5gVvVQBvBWcAZUOAMsqAZOpxBjFCNq2f
/eygEQOmev1sjUIRMBIKZSPuzoWGgeISi9wU1R3FayqjwU90AnCVk47AoMYYb1E6+pLCDlINUdOh
Fy+O7RlGgfH8H5HZJicz3ahHojrArSaWxIsKcGoquVyMEEJrGVm4eac4AZQUZ9vssTsIzOTkZg+5
yM3r3edhQ/B8OLHhCzlK0OZJ9uULAAAAAElFTkSuQmCC
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAkCAYAAACe0YppAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALpJREFU
OE+1kosNwzAIRN2VWYdNmIMpWIKCXSf+YOcjlSiSFZ2PC7yPWqVduWBX6aFAlCAp8nmtcxACz7MQ
CCkSrxzMGknFnrAFIyiJ940EjE3PQMCYcrDxhWKpwxwufjPO0I3y0mEe/NNdvHGIZlC/BXN40+Ie
UcYC1H20OJVdsCI4C152nogSx+Qs3+6SSTU20tyi3D64WAmy6he2whIOKqN/hJ6Iyr26HDeQ8xsN
tEPGEdr/LWuz0i+MbNDm+NvGOQAAAABJRU5ErkJggg==
)
D.
-
已知离心率为e的曲线
-
=1,其右焦点与抛物线y2=16x的焦点重合,则e的值为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALxJREFU
OE/FU9EVxCAI41ZmHTZhDqZgCQ61XpVi9e/48rUhRBI/5gVvVQBvBWcAZUOAMsqAZOpxBjFCNq2f
/eygEQOmev1sjUIRMBIKZSPuzoWGgeISi9wU1R3FayqjwU90AnCVk47AoMYYb1E6+pLCDlINUdOh
Fy+O7RlGgfH8H5HZJicz3ahHojrArSaWxIsKcGoquVyMEEJrGVm4eac4AZQUZ9vssTsIzOTkZg+5
yM3r3edhQ/B8OLHhCzlK0OZJ9uULAAAAAElFTkSuQmCC
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAkCAYAAACe0YppAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALpJREFU
OE+1kosNwzAIRN2VWYdNmIMpWIKCXSf+YOcjlSiSFZ2PC7yPWqVduWBX6aFAlCAp8nmtcxACz7MQ
CCkSrxzMGknFnrAFIyiJ940EjE3PQMCYcrDxhWKpwxwufjPO0I3y0mEe/NNdvHGIZlC/BXN40+Ie
UcYC1H20OJVdsCI4C152nogSx+Qs3+6SSTU20tyi3D64WAmy6he2whIOKqN/hJ6Iyr26HDeQ8xsN
tEPGEdr/LWuz0i+MbNDm+NvGOQAAAABJRU5ErkJggg==
)
D.
-
已知离心率为e的曲线
-
=1,其右焦点与抛物线y2=16x的焦点重合,则e的值为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALxJREFU
OE/FU9EVxCAI41ZmHTZhDqZgCQ61XpVi9e/48rUhRBI/5gVvVQBvBWcAZUOAMsqAZOpxBjFCNq2f
/eygEQOmev1sjUIRMBIKZSPuzoWGgeISi9wU1R3FayqjwU90AnCVk47AoMYYb1E6+pLCDlINUdOh
Fy+O7RlGgfH8H5HZJicz3ahHojrArSaWxIsKcGoquVyMEEJrGVm4eac4AZQUZ9vssTsIzOTkZg+5
yM3r3edhQ/B8OLHhCzlK0OZJ9uULAAAAAElFTkSuQmCC
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAkCAYAAACe0YppAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAALpJREFU
OE+1kosNwzAIRN2VWYdNmIMpWIKCXSf+YOcjlSiSFZ2PC7yPWqVduWBX6aFAlCAp8nmtcxACz7MQ
CCkSrxzMGknFnrAFIyiJ940EjE3PQMCYcrDxhWKpwxwufjPO0I3y0mEe/NNdvHGIZlC/BXN40+Ie
UcYC1H20OJVdsCI4C152nogSx+Qs3+6SSTU20tyi3D64WAmy6he2whIOKqN/hJ6Iyr26HDeQ8xsN
tEPGEdr/LWuz0i+MbNDm+NvGOQAAAABJRU5ErkJggg==
)
D.
-
已知离心率为e的曲线
-
=1,其右焦点与抛物线y2=16x的焦点重合,则e的值为( )
A.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACzSURBVDhPxZLhDYUwCISZjJ1Yh2UYhVGQ2vbZ
IlV/GF8To9EDTr4DuznwkkDZEMCgXCRTUx8hRsim+2t/dtGoAVNtH2uhUBSMDYWyEUflwsPQoplF
ro7KOe1BGQ1+phOBu5x8hA5qjPEvSkVfUthB6iGyeQvWBXP31ygm9/+YzDY5wXRQp0R1gaMmloTF
LvDWVHK5GCGEVjOyoHmkOBGUFGfb7LF7EJgJ1M0ecpMXqD+iuQGH/94XKjmE8gAAAABJRU5ErkJg
gg==
)
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAkCAYAAACe0YppAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACySURBVDhPtZLdDYAwCISZjJ1Yh2UYhVGwtLb2
h6Y+KMbENPTuhA/sUPB1gxojGMmjO1goowHsGpSNWHYKSZrYND2hhRAaq/tGDUJdqKBBCHKw+cUi
adOgDr8ZZxhmfVRYN/P5sgKLaAb1LJjDfyETC1j30eNUdiFG6Cx4pe+FKHVMnvLtbpm0xAasFuV2
42LXkLvusBWWcFAZ/RZ6ISp7DTleIOc3OminjDO0/y1rVW4nF4pt3heVopGcAAAAAElFTkSuQmCC
)
D.
-
已知离心率为e的曲线
-
=1,其右焦点与抛物线y2=16x的焦点重合,则e的值为________.