名校
解题方法
1 . 与普通方程xy=1表示相同曲线的参数方程是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 直线
与
轴分别交于
两点,
是曲线
(
为参数)上的动点,则
面积的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcefd18333f55a3aa65c444d68feed1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44bc7009f5cbeedefc9f23bf64f8db55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
A.![]() | B.![]() | C.![]() | D.2 |
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3 . 直线
:
与曲线
:
(
为参数)相交所得的弦长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4420c7c24162d8593064cd51c208d226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 曲线
的参数方程为
(
为参数),则
的普通方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1c6a763a4b1cdac80b92beb652e4c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 直线
与曲线
(
为参数)的位置关系( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1e6ab19f04da2a5819bc472e7b95e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc2663fbbd7eda5d6daacc0ceb9ba84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.相交 | B.相切 | C.相离 | D.无法确定 |
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名校
解题方法
6 . 在平面直角坐标系
中,已知直线
与曲线
(
为参数且
)恰有两个不同的交点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766b5c86a384941acb1832b5b041c759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3534b1517ba7a64a8c72ec0ab5ecfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 若直线的参数方程为
(t为参数),则直线的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423941a5bfab3ea68b6783ab9c204a9d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 已知曲线的参数方程为:
(
是参数),则其对应的普通方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390daa0cd7473b0ec3a102aa2197c40f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
9 . 在直角坐标系xOy中,曲线C的参数方程为
(
为参数),直线l的参数方程为
(
为参数),若直线l与曲线C相切,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04cc5a2be5a1a33a78d1f34217d3a39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b925c3599f26c275ea662f90657d55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.2 | C.![]() | D.![]() |
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10 . 已知直线
:
(
为参数),
,
,
,若直线
上存在点
满足
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107fca469c3bdd9171221cf3351a6325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f236182642bce92ffb3668b325ea5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7933ce51482d8add3c4142ddeed2b11f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f8b0e451360ea32c68145443872f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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