1 . 已知
且
,关于x的不等式
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70214d6de4c4389a5ec6eda26997359.png)
A.存在a,使得该不等式的解集是R |
B.存在a,使得该不等式的解集是![]() |
C.存在a,使得该不等式的解集是![]() |
D.存在a,使得该不等式的解集是![]() |
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2 . 已知
,则
的最大值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e8cbd2870d3b6372609f82c491a803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c69601415aff5dd2d9fee2ba26f81c.png)
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3 . 设正项等比数列
满足
,
.令
求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853eace02560e7f1490694276c29a856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057f84c7e6b5cfde2e11dd1926c50790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412d3d040e4e67daad25aa085fc45e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783af6a1ae35709a95b4287409348310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da2db7e09d2b1dbfbcd02574dae25ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b143f8888579b22c2fe7e70516310a.png)
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4 . 在平面直角坐标系中,抛物线
:
的焦点为
,直线
交C于A,B两点,延长AF,BF分别交抛物线于M,N两点.令
,
,
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91356fe1338cd458e4b1761b36873145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91703f114468effe42cc90bfbcaccc94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfc1cf121adab4cddcdd98415b3a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b8cc74825d62042a387df3ca6542ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7faa87c58d6807e27193ab43be29e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11d75bfbd8b05a5987d579f35b2969a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fa605fe0907e944ec0f716cad93002.png)
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5 . 在三棱锥
中,
,
,
,
.若
和
都是等腰直角三角形,则满足条件的有序实数对
的个数为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e43f6eb62e48e72e06361138e0d1e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40381b7c837e66aeb112843d52b6e3ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1b3b0b82a9522b525a636bc65c92868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c4a5c82b0044673d554169f8529be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2534555d85b44a6fe84ec8a18ad3583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad1c5f04609e8c1231c7f246662a165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be1ec33951eb3e12fa523e3ebb3a954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df8b1eb1dabc7725dea6fa617f9fd103.png)
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6 . 设
,
满足
,
的最大值为3,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527736d1f97648cfd189cf086f4d48dc.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd03181a10a2889263499aec1313d0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0c3187c16fa72cdeb875a8a8e1711a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b592b8a60d03aad90e12ab79bf4a2649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449e3c61cc51f06c5c0175dcb9921311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527736d1f97648cfd189cf086f4d48dc.png)
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7 . 已知
,若
,
,
是函数
的零点且
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cadb751863093633424831bbd30bb39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec13d0c7a2f811a742d7e89960c5fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31aaa7bcac98bcfc3591261792232d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8567c0348e755bc0542cac37f3522d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef98c71145edae104c6c03d8e91ab50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04127db1410188b8076c89b79dccfe0f.png)
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8 . 设
为整数,
为实数.证明:存在整数
,使得对于任意实数
,均有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abefc7e7354cd2d17283c16c494ea879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5040ce82e687fd1a6f48442f36975523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821ce7a655e8b5fecb99e04313c700b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f97bc1796c160ab600db7d85287ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e137ac7b96922341e43887e7f5fed30.png)
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9 . 如图,在钝角
中,
为钝角.设
的外角平分线与
过B和过C的高线分别交于点E,F,点M在线段EC上使得
,点N在线段BF上,使得
.证明:E,F,M,N四点共圆.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21fa3492cd1ac2b3f9278d3fe4cd4fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21fa3492cd1ac2b3f9278d3fe4cd4fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd09bf3d43769b015a0a8d5b34cdefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37595daefab7761a896f29f785d253d1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/bc6bb557-dd54-4bd6-8e9a-982625129d7d.png?resizew=217)
您最近一年使用:0次
名校
10 . 设平面向量
,
,
满足
,
,
,
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5196f84fd2a77d7ee14328cc26ab1ea.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524594bf0942ed86f56fc1eee120a81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c559d3aa4e5178683a408e5b7e7cbdde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5397753affa9833ade8daaba7748e3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bb9e1b4f7ba936949195aa99d6159a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cbb7c27eb8a2af305aa60c5fa2acb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f0e123349c41a4804013241a518860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5196f84fd2a77d7ee14328cc26ab1ea.png)
您最近一年使用:0次
2022-10-19更新
|
549次组卷
|
3卷引用:2022年7月浙江省高中数学联赛全真模拟六校联考试题