解题方法
1 . 已知抛物线
的焦点为
,准线
与
轴的交点为
,点
在抛物线上,且
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa2c731aaa4005382d5b4324e29fbb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab94908863cfec2df9a9f14413ec469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21bab3935c404fe6f815f750e153dfae.png)
A.![]() | B.![]() | C.1 | D.2 |
您最近一年使用:0次
2 . 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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名校
3 . 若直线
在
轴、
轴上的截距相等,且直线
将圆
的周长平分,则直线
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38498095f8db1e2e4f3b430629fd095f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-01-29更新
|
400次组卷
|
2卷引用:广西壮族自治区玉林市2023-2024学年高二上学期1月期末数学试题
4 . 已知等比数列
中,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd83f0dc671aed388609825cada8fa43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e4487468ab2823d6dbf7f0ebd2eb38.png)
A.![]() | B.1 | C.2 | D.4 |
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5 . 已知曲线
表示焦点在
轴上的椭圆,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43006670f9407fc88dbb55ef63697939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 下列说法中正确的是( )
A.若![]() ![]() ![]() |
B.函数![]() |
C.命题“![]() ![]() ![]() ![]() |
D.函数![]() |
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7 . 2024年1月5日,第40届中国·哈尔滨国际冰雪节,在哈尔滨冰雪大世界园区开幕,现场流光溢彩,游客如湖,充满热情与活力.该园区为了倡导绿色可循环的理念,配备了先进的污水、雨水过滤系统.已知过滤过程中废水的污染物数量
)与时间
的关系为
(
为最初污染物数量).如果前2个小时消除了20%的污染物,那么前6个小时消除了污染物的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9aca964dc242a507c59eb514e1d65ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502eaabe8c0ab9569976da8205fa94d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ccd4537f4dee2050ade38b972eb9b9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 若
,且
为第三象限角,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4306b944f46c6f8820960a57059a393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 南宋数学家杨辉所著的《详解九章算法》中有如下图所示的几何体,后人称之为“三角垛”.其最上层有1个球,第二层有3个球,第三层有6个球,第四层有10个球,…,则第三十五层球的个数为( )
A.561 | B.595 | C.630 | D.666 |
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解题方法
10 . 已知
,
,
,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1a71ebccfebe269d337da9d130b1d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec896e07c51a5e96a544260e5042d548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fcd9891c4d486420bc6adf957acf836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次