名校
解题方法
1 . 若函数
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8885dc4cab82b8b411dd1700f01bf8a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-08更新
|
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2卷引用:广西象州县中学2019-2020学年高二4月月考数学(文)试题
名校
2 . 在平面直角坐标系
中,圆
的参数方程为
(
是参数)以原点
为极点,
轴的非负半轴为极轴,建立极坐标系,直线
的极坐标方程为
.
(1)求圆
的普通方程和的直线
直角坐标方程;
(2)设直线
与
轴交点分别是
,点
是圆
上的动点,求
的面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415de61247276eb4e8858317c01ad865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d0b223e3c800192b7778e6d0c4e5a0.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2020-04-06更新
|
180次组卷
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2卷引用:广西象州县中学2019-2020学年高二4月月考数学(文)试题
名校
解题方法
3 . 已知定义在
上的奇函数
满足
,则下列结论错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b568b2cee9ef2a32d2f27305a9104d0.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
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2020-04-06更新
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375次组卷
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3卷引用:广西象州县中学2019-2020学年高二4月月考数学(文)试题
名校
解题方法
4 . 求椭圆
的长轴和短轴长,离心率,焦点坐标和顶点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b747db7eaf469c6d1607e4b0d028299f.png)
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2021-03-24更新
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6卷引用:广西壮族自治区象州县中学2019-2020学年高二12月月考数学(文)试题
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5 . 集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c61ce0125b42eabc9f1597068c221a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4108b0312b6546ba822533c2c5282a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-03-26更新
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145次组卷
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2卷引用:广西象州县中学2019-2020学年高二4月月考数学(文)试题
6 . “
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384e0f2f277a9b596463f8a23012b401.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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7 . 命题p:在数列
中,“
,
”是“
是公比为
的等比数列”的充分不必要条件;命题q:若
,
,则
为奇函数,则在四个命题
,
,
,
中,真命题的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4128b6aa5b9e14b19b5753ad292bb440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9301899fd0c56dbb5aecd462d4edd6b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8762fe54aa8b4be886f819a3f9018ea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a173784888adf2946382fa093ba53a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465223aa65ef6a3a2580550146ccd9af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df555956505b2a9ac2fbc061adcff221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2e4974421a8728f8e2b0a8b068e47a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17312706507512c4215edf8b6e8c16d.png)
A.1 | B.2 | C.3 | D.4 |
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2020-03-13更新
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235次组卷
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3卷引用:广西壮族自治区来宾市2019-2020学年高二上学期期末数学(文)试题
8 . 已知
为双曲线
左支上一点,
,
分别为
的左、右焦点,
为虚轴的一个端点,若
的最小值为
,则
的离心率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db0cc24753f6ea44c19c3cc49e26024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c7fda9adabdee14da760f923373f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdfc6a59392d1ac3cd89ddc0308864c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
9 . 已知
,
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea078d2c1d94a3105f9d2e1058b2205.png)
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2020-03-13更新
|
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3卷引用:广西壮族自治区来宾市2019-2020学年高二上学期期末数学(文)试题
10 . 已知直线
与抛物线
交于P,Q两点,且
的面积为16(O为坐标原点).
(1)求C的方程.
(2)直线l经过C的焦点F且l不与x轴垂直;l与C交于A,B两点,若线段AB的垂直平分线与x轴交于点D,试问在x轴上是否存在点E,使
为定值?若存在,求该定值及E的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d810cb1caa470c174e6168e413c4e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdc02f00cf00a6dfd88b53a90f1f7a4.png)
(1)求C的方程.
(2)直线l经过C的焦点F且l不与x轴垂直;l与C交于A,B两点,若线段AB的垂直平分线与x轴交于点D,试问在x轴上是否存在点E,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95689a117587fd60a99627d1ba8db79.png)
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2020-03-13更新
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622次组卷
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8卷引用:广西壮族自治区来宾市2019-2020学年高二上学期期末数学(文)试题