1 . 将函数
的图象上所有的点向左平移
个单位长度得到函数
的图象.求:
(1)
的值;
(2)
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b342a9161e2e1ea07acdadc8dcb1f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ac3e1432957734d372d8485fb84de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ea179ca8fbc5b00f57941185987eb4.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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解题方法
2 . 如图,在四棱柱
中,底面
为矩形,侧面
为菱形,平面
平面
,
.
平面
;
(2)求四棱柱
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eff0db05826cbff651faf0144904b32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8a76f84d7a2d2fed9650597c2c9fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d1dc1290b7e593400e53e9a60e1d1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/504a36c231b8e80724d01649e7c0944f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
(2)求四棱柱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
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3 . 已知函数
.
(1)求
的定义域;
(2)判断
在其定义域上的单调性,并用定义证明;
(3)若
,解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abbb5e1dc8518091758053c05d198f45.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c8f0e74da7518ef9669f25829cdf77.png)
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4 . 已知
是公差
的等差数列,其中
,
,
成等比数列,13是
和
的等差中项;数列
是公比q为正数的等比数列,且
,
.
(1)求数列
和
的通项公式;
(2)令
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e11a5b70e1e2e685d1783a4707872e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04fcf0a152b19d49cac680b6199c320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfcba31b4b02ba57ca40c91f6c09f0e.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d44ddab6e0c60119be69985ae7fa65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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名校
解题方法
5 . 如图,在四棱锥
中,底面ABCD是边长为1的正方形,侧棱AP的长为2,
,M在棱PC上,
,G为
的重心,设
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/4eff83ce-f8a9-470b-98ec-6b68abe4f54e.png?resizew=182)
(1)试用
,
,
表示出向量
;
(2)求
与
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb853875104500b01512f5002d882ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5609b94a80bf948f6a7ae2d0c6825958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e984585ddf28c039219afcebf229de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64b61e5a723d742c5c49dc3c34856f5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/4eff83ce-f8a9-470b-98ec-6b68abe4f54e.png?resizew=182)
(1)试用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4eba0286925d493afca6f73959d9f8f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a046d7060dc843c78af806ee24f556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4eba0286925d493afca6f73959d9f8f.png)
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名校
6 . 如图,在四棱锥
中,平面
平面PAD,
,
,
,
,
,E是PD的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/75999df6-7b26-4bc9-b456-9eece69fa814.png?resizew=168)
(1)求证:
;
(2)若点M在线段PC上,异面直线BM和CE所成角的余弦值为
,求面MAB与面PCD夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7ae4091a3a2767fde8e9f5a604c1a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646d135e77c1ea69390d9e937f88b85f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d7095ddd69d6ceaf1065b1bc2c79d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/75999df6-7b26-4bc9-b456-9eece69fa814.png?resizew=168)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/371853a703a8dafa6f8e942f46cb8706.png)
(2)若点M在线段PC上,异面直线BM和CE所成角的余弦值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64e76a4c1e5934f51cdca2ffbc8313f.png)
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2022-12-27更新
|
2197次组卷
|
7卷引用:山东省莱西市第一中学2022-2023学年高二学业水平检测(二) 数学试题
名校
解题方法
7 . 已知抛物线
的焦点与椭圆
的右焦点重合,直线
与圆
相切.
(1)求椭圆
的方程;
(2)设不过原点的直线
与椭圆
相交于不同的两点A,B,M为线段AB的中点,O为坐标原点,射线OM与椭圆
相交于点P,且O点在以AB为直径的圆上,记
,
的面积分别为
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4856428c4f87eada4e504fce8cc91d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d2aff5570bd20fb94f9320551bd32c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed3bd5e9ec4e61d5c888ff5aa0d276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
(2)设不过原点的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323eb2e41f461ac655012a986d5a27bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3877c5dd48bc7311f79a38de74a6cab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
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2022-12-27更新
|
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3卷引用:山东省莱西市第一中学2022-2023学年高二学业水平检测(二) 数学试题
8 . 已知直角三角形ABC的顶点
,直角顶点B的坐标为
,顶点C在x轴上.
(1)求直角三角形ABC的外接圆的一般方程;
(2)设OA的中点为M,动点P满足
,G为OP的中点,其中O为坐标原点,E为三角形ABC的外接圆的圆心,求点G的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c91b17113b6ccbdc8579bc20f9aa68.png)
(1)求直角三角形ABC的外接圆的一般方程;
(2)设OA的中点为M,动点P满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a2d10936975d1fab0b86de1c987aea.png)
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2022-12-27更新
|
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|
5卷引用:山东省莱西市第一中学2022-2023学年高二学业水平检测(二) 数学试题
名校
解题方法
9 . 已知数列
的前n项和为
,且
.
(1)令
,求数列
的前n项和
;
(2)设
,是否存在实数
使得对于任意的
,恒有
?若存在,求出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ddd6d99ad32dd7fdb1797d8cf94786.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df1e8c28789ee186157ec527a7f5199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0a5693dd2c13f6a6e7fdd3d4a92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209559aca6bf32705588b6a40e0b7320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4acfdca1f3bb06d2b56b57339eabef5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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名校
解题方法
10 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d978e4e41c7b382a640d8c548e8ccb5.png)
(1)判断并用定义证明
的单调性;
(2)求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5289aad39fb9f7b30d1cf1d501ced8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d978e4e41c7b382a640d8c548e8ccb5.png)
(1)判断并用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2021-10-30更新
|
1051次组卷
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3卷引用:山东省2021年冬季普通高中学业水平合格性考试仿真模拟数学试题