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1 . (1)解方程组
;
(2)解关于
的不等式
;
(3)已知关于
的不等式
的解集为
,求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9875224051c04670bea42c9a25304076.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aee08ad8c82acbf3b6a1c3824f2383.png)
(3)已知关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009db35e84f9e2ed847519211918fbfe.png)
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2023-11-05更新
|
84次组卷
|
2卷引用:北京市十一学校2023-2024学年高一上学期教与学质量诊断(期中)考试数学试题
2 . 解下列各题:
(1)解不等式:
;
(2)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03356b51d55a5d49d6fa710ecc885f4c.png)
(3)设
是非零实数,已知
的值.
(1)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db7dc6d6d563e64470ad7c0196b75a3.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03356b51d55a5d49d6fa710ecc885f4c.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7f321c2a74ef6e75ff3a4252323457.png)
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解题方法
3 . 关于
有不等式 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf5cd927023a2bdcdd3d6f70e71d7f3.png)
(1)当
时, 解不等式.
(2)若不等式仅有一解,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf5cd927023a2bdcdd3d6f70e71d7f3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cff4b08995815b1bcba83e12a9aec4fb.png)
(2)若不等式仅有一解,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca35310a128febf44f147d4df340d57a.png)
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2023-11-08更新
|
160次组卷
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2卷引用:浙江省温州十校联合体2023-2024学年高一上学期期中联考数学试题
2022高一·全国·专题练习
名校
4 . 已知不等式
的解为
,求
和
的值,并解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31a236a2101c170576f3c8f8e2edc1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cf894db9fd5c3ef5af29a371416b24.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/1c98878220e4fc94e9bfbc21a1ff2938.png)
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2022-09-05更新
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1555次组卷
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6卷引用:河南市柘城县德盛高级中学2022-2023学年高一下学期2月月考数学试题
5 . 解下列关于x的不等式或不等式组:
(1)
(a为实数)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5d50d49be16e56b1035964b2d8d864.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c560049dd3d23d10d83947c7768a165.png)
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解题方法
6 . 已知集合
.
(1)当
时,关于
的不等式组
没有实数解,求实数
的取值范围;
(2)若
,且关于
的不等式
的解集为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d57c293ebc3b99cb7aff9b3e585dcdc7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2bc9551406faf1c4f1e444dbd66237b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2454a6dc18fdf2cde16cb1b096ea8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811625bead5bd88970550be98125aa3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5258a748e0915550223745b9d4aa68f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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7 . 定义区间
、
,
、
的长度均为
,其中
.若不等式组
的解集中各区间长度和等于8,则实数t的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd4d438ae7d4da0e100bb92d622c866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a381cebfeee07ae150cdeff6e7a64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eae51f0310b87cde2e206643e9d25a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f03d4f1c1607a15b59cc39eb866548.png)
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解题方法
8 . (1)解不等式
;
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e35f874f2c74d693c6bfbe8ec461990.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8495da9a91bf7bfa549ca3aa4b496f37.png)
您最近一年使用:0次
2024-06-04更新
|
722次组卷
|
2卷引用:安徽省马鞍山市第二中学2023-2024学年高一上学期期中测试数学试卷
2022高一·全国·专题练习
9 . 重新考查不等式
.这个不等式的左边可分解因式为
.根据实数乘法的符号法则,问题可归结为求一元一次不等式组(1)
和(2)
的两个解集的并集
不等式组(1)的解为
,不等式组(2)无解,从而不等式
的解集为
.
试用上述方法解下面的不等式:
(1)
;
(2)
;
(3)
;
(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1efbf762119867ae3b97f31df4a0c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d852cf61a25d86240ce9625b768802f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57168f04622ebb6a69176f02835c6d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11954b8851892690b2548d3507108db.png)
不等式组(1)的解为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debe21e6fbd160fd147eddd2849c96b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1efbf762119867ae3b97f31df4a0c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34656e75013a8d11e63e2c677d1b9aaa.png)
试用上述方法解下面的不等式:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7d1cad89cd84c0cf1f68d4b2ecb43b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30f7934cfaaacbda8d9d035afe63e89.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e720d34ced3d82ad59f3c41e7137470.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e898c180d3aaab86acda33b736a1ce.png)
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2023-09-14更新
|
165次组卷
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4卷引用:第3章 不等式 章末题型归纳总结(1)-【帮课堂】(苏教版2019必修第一册)
(已下线)第3章 不等式 章末题型归纳总结(1)-【帮课堂】(苏教版2019必修第一册)苏教版(2019)必修第一册课本习题 习题3.3(已下线)第2章 一元二次函数、方程和不等式(基础、典型、易错、新文化、压轴)分类专项训练-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)【导学案】4.3一元二次不等式的应用课前预习-北师大版2019必修第一册第一章预备知识
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10 . 解关于的不等式
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a509240ed916042cfc0c0ebe5af91f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9dec84182cabfb9f55d03362c7fa1c.png)
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