1 . 若实数
是方程
在区间
上不同的两根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ae98bc3a8c4b9940b6b4f6edcaa75e.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f717a76726e86063bec66f1785556b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ae98bc3a8c4b9940b6b4f6edcaa75e.png)
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解题方法
2 .
的内角
的对边分别为
,已知
.
(1)求
;
(2)若
为锐角三角形,且
,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e5a6bf18cc1519a775e3ec9459e303.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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3 . 若实数
是方程
在区间
上不同的两根,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f717a76726e86063bec66f1785556b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ae98bc3a8c4b9940b6b4f6edcaa75e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 在
中,内角
所对的边分别为
,过点
作
,垂足为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8343b9b55ba25d01b3fd7ae389012b.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4bffe16e2d2c3a124c8089d21af47d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8343b9b55ba25d01b3fd7ae389012b.png)
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解题方法
5 . 已知函数
的部分图象如图所示,若函数
的图象可由
的图象向右平移
个单位长度得到,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0377ddee073aa60ff4a3a8c66c3a1b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-16更新
|
304次组卷
|
2卷引用:青海省海南州部分学校2024届高三下学期一模仿真考试理科数学试题
解题方法
6 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a60bc9da67b2557ee206de0acc38bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b3a74bec89aa74fc75261f53d2aec6.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
解题方法
7 . 在
中,角
所对的边分别为
,且
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d803eed055e087b1838ae53e0d29b70.png)
A.![]() |
B.若![]() ![]() |
C.若三角形为等腰三角形,则一定是直角三角形 |
D.若![]() ![]() |
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2024-04-16更新
|
931次组卷
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2卷引用:重庆市西南大学附属中学校2023-2024学年高三下学期全真模拟集训(一)数学试题
8 . 如图,函数
的图象与x轴的其中两个交点为A,B,与y轴交于点C,D为线段BC的中点,
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b80bbb315853bb2c2cebe297171490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d347a4333a180e196e98fed8b8d5fcbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f44fcb5d48f97e9c4d71c85dee425a4f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() |
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2024-04-16更新
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3卷引用:2024届安徽省示范高中皖北协作区高三下学期数学联考试题
名校
解题方法
9 . 函数
在区间
内所有零点的和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4403394cafab581e201b5fea367108ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1c038f965cb03cd77b1078c45ad836.png)
A.0 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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|
445次组卷
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2卷引用:河北省多校联考2024届高三下学期适应性测试数学试题
10 . 已知函数
(
),则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2bb7354fb64b7bf5ae232a93747955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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2024-04-16更新
|
1120次组卷
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3卷引用:海南省琼海市嘉积中学2023-2024学年高三下学期一模考试数学试题