1 . 解下列关于
的不等式或不等式组:
(1)设
,解不等式:
;
(2)解不等式组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc05cde4f00587cf3e7d3524b2bddf4.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7794539786aff30ed0e24158db88ae6b.png)
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2 . (1)先化简,再求值:
,其中
.
(2)已知关于
的二元一次方程
的解满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d287543a050f4e05af4ad892d1a687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ffca915939bf152f5a2f9809238e5f.png)
(2)已知关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5c652bbc497c00c53faf569c626e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf59f62d3f838fbc226c6e7c229e3c1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 解下列的方程、方程组及不等式组:
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929c173dc170bc1ed110468711e9eb89.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37db33153ae42a6d6c120a72e69e048c.png)
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4 . 如图,一次函数
与一次函数
的图象交于点
,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/0b52ebd1-9b92-4c88-b107-f55b609a7f9b.png?resizew=202)
①
是方程
的一个解;
②方程组
的解是
;
③不等式
的解集是
;
④不等式
的解集是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715416015a9634f5eafe3d399987d837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07aff0367c256d10c0fdb7b30b795005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88aa54f855334cab19d8d19ca9aea9dd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/0b52ebd1-9b92-4c88-b107-f55b609a7f9b.png?resizew=202)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be08f8a157fd9d12b77629fe3adacc1.png)
②方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e844a1f481d6b6d91b8820ff91ef3d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ffa7d767f601d0a064b412648593c3.png)
③不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6699702786b04a5ae75d7d285c2901a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
④不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90fe71a83306c5493041d777df4d4dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
A.① | B.② | C.③ | D.④ |
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5 . 设二元一次方程组
恰有一组解(α,β), 则方程组
解(x,y)等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65bd6cdc598a67059dc4293a1694dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a1e7eed925bba05d687a9d993de75c.png)
A.(3α,3β) | B.![]() | C.![]() | D.(15α,6β) |
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6 . (1)化简求值
;
(2)已知函数
,解方程
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc50799ee929b0c85570fb0c41c85ab0.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657cb418750dfbdbdc2a8e3196dfe2e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4237a186118f9c79a5f6c90a29f13bf1.png)
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7 . 回答下列各题.
(1)求值:
.
(2)解关于
的不等式:
(其中
).
(1)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef28c427f4ab6ba19a6346dcbaa18f5c.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965d021202509620ab356d6a21fb374e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
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2020-12-14更新
|
311次组卷
|
3卷引用:陕西省西安市高新一中2019-2020学年高一上学期期末数学试题
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8 . 与不等式组
同解的一个分式不等式可以是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380db7833a1f7b36a2e156e58e541cba.png)
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9 . (1)求值:
;
(2)解关于x的不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc4e8da2aa58dcd65a640cfd86a783ee.png)
(2)解关于x的不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c94c161dc29441bb40cfbbe7c107e7d.png)
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