解题方法
1 . 设双曲线
(
)的虚轴长为2,焦距为
,则其渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 如图是一座抛物线型拱桥,当桥洞内水面宽
时,拱顶距离水面
,当水面上升
后,桥洞内水面宽为________
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1e0bd4fe8afb14b572852121cef83d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7854968bbf6576a1fd9926ee0d4d63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/59f4b5a0-7bff-4f2b-9684-99e6b50524b6.png?resizew=185)
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解题方法
3 . 下列说法正确的是( )
A.椭圆![]() |
B.抛物线![]() ![]() |
C.等轴双曲线的离心率是![]() |
D.![]() |
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解题方法
4 . 在平面直角坐标系中,
为坐标原点,已知直线
与抛物线
相交于
、
两点.
(1)求
的焦点坐标及准线方程;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db0a1cbf7b0ed76c443b953af8734d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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5 . 设
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9322dd8f56b5f8d2c667fdf0d4a9f9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6749db809dd84c2cfe5c47bea121e356.png)
A.充要条件 | B.充分不必要条件 |
C.必要不充分条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
名校
解题方法
6 . 如图所示空间直角坐标系A﹣xyz中,
是正三棱柱
的底面
内一动点,
,直线PA和底面ABC所成的角为
,则P点的坐标满足( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/12/a5bf2d9d-771a-4b94-b774-551344d08eec.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ee1e5dd99c706d66bba49983060c3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35909b72f6e48a33ae9abb1d63ff91aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/12/a5bf2d9d-771a-4b94-b774-551344d08eec.png?resizew=151)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 下列说法正确的是( )
A.圆心角为![]() ![]() ![]() |
B.命题“![]() ![]() ![]() ![]() |
C.![]() |
D.函数![]() ![]() |
您最近一年使用:0次
8 . 已知点
,则满足下列关系式的动点
的轨迹是双曲线
的下支的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c208d8637f7e58cb156467825b7e4e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 已知
,在同一个坐标系下,曲线
与直线
的位置可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343dc2efff2e4a23640d96272d51c550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314125ba34d32175fc488c6dc83d87c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2869e828d84a2a3261a8e01fc4efc0.png)
A. ![]() | B. ![]() |
C. ![]() | D. ![]() |
您最近一年使用:0次
2024-01-28更新
|
173次组卷
|
6卷引用:广西贵港市2023-2024学年高二上学期期末考试数学试卷
名校
解题方法
10 . 关于x,y的方程
表示的曲线可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905c693c75802cb0edc3599f5480c39e.png)
A.椭圆 | B.双曲线 | C.抛物线 | D.圆 |
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