1 . 若函数
在
上恰有3个零点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c771febe587f0d1e76dd5642c1eea773.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf440f44c65107b6c9ff6f947bb93ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2755e84aeb379e0117e278f71ca0a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c771febe587f0d1e76dd5642c1eea773.png)
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解题方法
2 . 若
,则“
”是“
”的______ 条件.(请用“充要”“充分不必要”“必要不充分”“既不充分也不必要”回答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9f5e2e79a4bc500c49bba042b771d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
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3 . 下列各式中值为1的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
4 . 已知函数
.
(1)若
,求
的取值范围;
(2)若
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbe2ee3aa057f155476d4ceda312050.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/496303cb8e2efa518ee9d4e3afcb675c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
名校
解题方法
5 .
的顶点是
,
,
.
(1)求边
上的高所在直线的方程;
(2)求过点A,B,C的圆方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb9e88d3e58141dba299dcd8edc4e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb6fd712d967a36c027693a54f91470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac06bc73b408c6a70bd0f6d24ebb7d2c.png)
(1)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求过点A,B,C的圆方程.
您最近一年使用:0次
2024-02-23更新
|
217次组卷
|
2卷引用:湖南省永州市2023-2024学年高二上学期期末质量监测数学试题
名校
6 . 已知等差数列
的前
项和为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36243198e5e20c56399e4ad5ac3c519.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30bbe131dd67528d219d7507788d35fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb3fdeeb4afe6485ffb00bf83023e704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36243198e5e20c56399e4ad5ac3c519.png)
您最近一年使用:0次
2024-02-23更新
|
408次组卷
|
2卷引用:湖南省永州市2023-2024学年高二上学期期末质量监测数学试题
解题方法
7 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c25384bcccca1797d17be03f7587e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bb7caf427cf339be78a7a29ef08a61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知等差数列
与各项为正的等比数列
满足:
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5344eadd4711db34e3f935aedd5fb270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebaf2a2590bb84d646957f913d78f6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced4e381e8c3336848b8c436dbc584f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07200a7b657d2124d752b09da2b252ef.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 已知角
的终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ddccace62a90253c281eac9dc20108.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9bbf6e7847f96706b54f079716bf23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ddccace62a90253c281eac9dc20108.png)
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10 . 已知
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e417ae8f5e92830c739a88aa5a3982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
A.![]() | B.![]() | C.2 | D.3 |
您最近一年使用:0次