1 . (1)计算:
.
(2)解不等式组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/591501433bb259aebc05b5d62d6a9fd9.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a44ac57936c6a4870388fdeb05be0f.png)
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2 . 在平面直角坐标系
中,
,
是抛物线
上任意两点.设抛物线的对称轴是
.
(1)若对于
,
,有
,求
的值;
(2)若对于
,都有
成立,并且对于
,存在
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
(1)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0736457346c11dd6f458418a4f747ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac12f90931435d60f4b6879ab26f7a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292c47f62023b747f1a4bd615c75284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3fd5fd833041ae95d8b7f8d2897e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de58af826740c4e7bf43221b101de8a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311cff32b515f4fa954a3a5731cbb52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a89fb8f7473e13b4bf1a6be5531a7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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3 . 不等式组
的解集在数轴上表示正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6df8e65c8b69fb3ecac9dff9df2859.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . (1)计算:
;
(2)解不等式组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3322be17654d88b875b3096066b3519.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed9b89fda2f38e4cda04503584869e2e.png)
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5 . 端午节到来之际,某超市准备购进粽子和咸鸭蛋进行销售.若购进500个粽子和200个咸鸭蛋共需1700元,已知一个粽子的进价比一个咸鸭蛋的进价多2元.
(1)求每个粽子和每个咸鸭蛋的进价分别为多少元?
(2)若超市销售每个粽子的售价为5元,每个咸鸭蛋的售价为2元.超市打算购进粽子和咸鸭蛋共1000个,全部售完后利润不低于1800元,求超市至少购进多少个粽子?
(1)求每个粽子和每个咸鸭蛋的进价分别为多少元?
(2)若超市销售每个粽子的售价为5元,每个咸鸭蛋的售价为2元.超市打算购进粽子和咸鸭蛋共1000个,全部售完后利润不低于1800元,求超市至少购进多少个粽子?
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6 . 用
块
型钢板可恰好制成
块
型钢板和
块
型钢板:用
块
型钢板可恰好制成
块
型钢板和
块
型钢板.
(1)若需
块
型钢板和
块
型钢板,则恰好用
型钢板、
型钢板各多少块?
(2)现准备购买
、
型钢板共
块,并全部加工成
、
型钢板,要求
型钢板不超过
块,
型钢板不超过
块,求
、
型钢板的购买方案共有多少种?
(3)在(2)的条件下,若出售
型钢板每块利润为
元,
型钢板每块利润为
元,则全部售出
、
型钢板可获得的最大利润为________元.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)若需
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7f959148f8da15d2a4a4ceb30745df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f43677db00ba65a7f96fc49627d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)现准备购买
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aad0f4f7f47ac83100121fd7a2fa6e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d694e21c4f4d87ba37a80c94f2b2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315b343c05a0fa767710ba84911a1ebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)在(2)的条件下,若出售
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5b21c1f4bc7c5947c0df11992adc20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b241254c1edd008eb4ed6a09429a765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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7 . 定义运算:
.已知
,
.
(1)直接写出:
________,
________;
(2)若关于x的不等式组
无解,求t的取值范围;
(3)若
的解集为
,求不等式:
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075b6dc5962664d84a18b5946560a3cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d55966c8037869fcbb488d50dc0e5fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83be0ec93fb577c8e363c2456cb269ad.png)
(1)直接写出:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
(2)若关于x的不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790856e4008cb8ea40fbed1b9aebfd56.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8554dddc2dcf5b1cb4f0c8a0562efdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b63d5bf3a15c9c0601c0cb906dbfe41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a057b8ea02f86ac9ca9b1562682a6a89.png)
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8 . 下列结论:
①
是
的算术平方根;
②从一袋黄豆中取出m粒染成蓝色后放回袋中并混合均匀,接着抓出p粒黄豆,数出其中有n粒蓝色的黄豆,则估计这袋黄豆约有
粒;
③过一点作已知直线的平行线有且只有一条;
④若
,
,则
的最大值是6;
⑤如果关于x的不等式
的整数解之和为7,那么b的取值范围是
.
其中错误的是________ .(填写错误结论的序号).
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f22f4f7a2ba8c6acafca58b6f45f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edb87ba7ca4560c6c1c37b6d02bcec1.png)
②从一袋黄豆中取出m粒染成蓝色后放回袋中并混合均匀,接着抓出p粒黄豆,数出其中有n粒蓝色的黄豆,则估计这袋黄豆约有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a98854395434dba6040a3961de0cb9.png)
③过一点作已知直线的平行线有且只有一条;
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fedf88c1afae37dcb344708fa1918db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9bf453ead449d20afc840bd53be9d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309a4b336bc16cc1f5744d04dcf4d8c7.png)
⑤如果关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb20c5f35e9a4f3e5e17833a3acc976f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155b73ea1a349d3e58d7b507a11e22d9.png)
其中错误的是
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9 . 若
,且
,
,
,设
,且
为整数,求
所有可能值的和________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84dd3862fac0e9e98b9dc9af321fdb52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5838d86623eaa4153b752a464d682754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b522aebe4768d3d221b8eed36fd033eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15469905f7d98773af2a2c7b0ce92f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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10 . 解不等式(组):
,并把它的解集在数轴上表示出来.
(2)解不等式组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cfa19fb120cd878968821eb5c65ccd.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0ac11d68c17c74a5dad413d2fb5d45.png)
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2卷引用: 山东省聊城市临清市2023-2024学年八年级下学期期中考试数学试题