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1 . (Ⅰ)计算求值:
(1)
________________;
(2)
____________________;
(Ⅱ)解关于x的不等式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24175597cab1d81a98da3851570d2ae6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76606084f76f510b7a29c001b92cebf1.png)
(Ⅱ)解关于x的不等式:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f444d17cd7da594f6b4166c28857df8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11c0ac42cde9e5c743659ce1a2997c2.png)
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2 . (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
名校
解题方法
3 . 已知函数
.
(1)若
,解不等式
;
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28bcd4da8a365570c0d81875ac814d8c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
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2022-11-07更新
|
930次组卷
|
7卷引用:北京市日坛中学2022-2023学年高一上学期期中考试数学试题
北京市日坛中学2022-2023学年高一上学期期中考试数学试题河北省邯郸市魏县2022-2023学年高一上学期期末考试数学试题(已下线)第06讲 拓展一 一元二次(分式)不等式解法-【帮课堂】(已下线)2.3 二次函数与一元二次方程、不等式(精练)-《一隅三反》(已下线)第二章 一元二次函数、方程和不等式 章末测试(提升)-《一隅三反》河北省唐县第一中学2023-2024学年高一上学期第一次考试数学试题云南省开远市第一中学校2023-2024学年高一上学期9月月考数学试题
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4 . 已知关于
,
的方程组
其中
.
(1)当
时,求该方程组的解;
(2)证明:无论
为何值,该方程组总有两组不同的解;
(3)记该方程组的两组不同的解分别为
和
,判断
是否为定值.若为定值,请求出该值;若不是定值,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1685feba617e3d56860fe0a3a59804f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
(2)证明:无论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)记该方程组的两组不同的解分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3396ead2a01ebd1d6134732541008a7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734a03b0e1c4de970668548ebb944fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0af05cf4260c845bfb0675073bd81b6.png)
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2023-11-14更新
|
146次组卷
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2卷引用:北京市西城区北京师范大学附属实验中学2023-2024学年高一上学期期中测验数学试题
名校
解题方法
5 . (1)解不等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8e6b0e35ac8174e76bca46ad7412ca.png)
(2)若
解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8e6b0e35ac8174e76bca46ad7412ca.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4600e5b68781cad26ae3ad645040d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a224ef9bb4af16c9d17964aa142def.png)
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6 . 已知实数x,y满足方程
.
(1)求
的值;
(2)设
与
是方程组
两组不同的解,其中
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beb6812158ca2a3082bd13ca07578f0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1afbc87ccffbc98b9ab58df8c69bee.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99307ab4373fbe72422ae5aa980db61c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41039d45e37899d233232de3d802b105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccee8eb181dc117834582bc433eca559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab3cf6695638d5bcd26580174d7cbf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da3ff6f17be99ec311610efa08ba002.png)
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7 . 已知参数k为非零实数,记
与
为关于x,y的方程组
的两组不同实数解;记
与
为关于x,y的方程组
的两组不同实数解.
(1)求证:
,
;
(2)求
的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3396ead2a01ebd1d6134732541008a7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734a03b0e1c4de970668548ebb944fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9c72eefda9b1192a4bc6982b52cc6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e78adf83070612501d95c80cd2f2bb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e377ec55e3668e1daa9a58e0091930fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb66608b19763b0ebf13861149f2e10b.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8997257fd8e9f1286004489eb5ac4c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21b23d1bddc1acc93debcf1c1747ca7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41a0384d42a7a75ea168f57262eaef1.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301dec441538499bc41fefcc53586841.png)
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8 . 已知方程组
的解集为
.
(1)若方程组的一个解为
,求
的值;
(2)若
时,求
;
(3)当
时,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb834a8b167f55c254e20d8f1a698be3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf04b4991cc8ef8ffb9d8ef31d54ba20.png)
(1)若方程组的一个解为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0d7fbcc396c7b646c31f60e32d9e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7bb2271f0c1ae6f267beff842fcc44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88edfcabd49166a6dae74eecbdafd35f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
9 . (1)解不等式:
;
(2)解关于
的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae29ecf34e712b7a414f8c1347aefdb2.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f93af2ed9a6ad10249ea14fd0c753f.png)
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10 . 甲乙两位同学求关于
的方程组
的解集
时,甲因看错了
,解得
;乙因看错了
,解得
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30800bcb030cf5ee97d0e21fbbe8c368.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22d7c214d9685da7be80319ed80d8df.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7822f361618da0965955d7bc25c4b49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46102fb6ed356e25bae44efe2139ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331c214721617d58a0c4a8178cfb7b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0364e6be73d9d631bce3d194b0b43e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30800bcb030cf5ee97d0e21fbbe8c368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22d7c214d9685da7be80319ed80d8df.png)
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