名校
1 . 如图,已知直线
过点
,过点A的直线
交x轴于点
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0958f495f0ba9d7c0dcca7114a27cf0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa882276c50dabebc33edc4377c3d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bb22b9722cbbca2802610d6e58554e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8e072bf31deb363dafc0a87af9f513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f64ed0633cfada31298821a0de04052.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 如图,直线
与直线
相交于点
,则关于
的不等式
的解集是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1fc06624efa4c3797aea0b4fb9a472d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3881b55f754bc44716f57e398ee8bcb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b966f2b610aeab2b7993a0fa42cfc543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6e57c74f2badb5dc07af9ad5e59466.png)
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3 . 随着无人机产业的快速发展,无人机航拍逐渐成为摄影创作的重要方式.某日,学校摄影社团组织灞河景色无人机航拍活动.如图,在平面直角坐标系中,
、
分别表示拍摄某镜头时1号、2号无人机的飞行高度
(米)与飞行时间
(秒)之间的函数关系.
(2)两架无人机飞行多少秒后,1号无人机的高度高于2号无人机?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)两架无人机飞行多少秒后,1号无人机的高度高于2号无人机?
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4 . 已知一次函数
和
(a为常数)的图象如图所示,则关于x的不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b1e62f7fb28cd76c05dcc38fbb25577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8000ce7ea785e7cd81e58a6944270b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538b416c5aab4fcaf7a25f76fb341e19.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 如图,直线
与直线
交于点
,且直线
经过点
.
的函数表达式;
(2)写出方程组
的解为______;
(3)当
时,写出自变量x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2db452e9f9885c400c1824ca9e39870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7431d25ea64a3ecd4bb39a55ad591de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b081a3d49f59c6a96a8afb7511f91875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab90f08ce38adaa707cc10ee852496d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)写出方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5a3983b29db83ff169ecffadb34316.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d87c750604573bf7590227cd16b9d76.png)
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6 . 如图,正比例函数
(
为常数,且
)和一次函数
(
、
为常数,且
)的图象交于点
,根据图象可得关于
的不等式
的解集是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.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/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0a6a2dec51024288a4ff22bbe6e860.png)
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名校
7 . 为了吸引游客,某市动物园推出了甲、乙两种购票方式.设某人一年内去动物园的次数为x,所需费用为y元,且y与x的函数关系如图所示:
甲:按照次数收费,门票每人每次20元;
乙:购买一张动物园年卡后,门票每人每次按一定折扣优惠.
(2)洋洋准备利用暑假多次去动物园完成“生物多样性”课题实践活动,请问他选择哪种购票方式更划算?请说明理由.
甲:按照次数收费,门票每人每次20元;
乙:购买一张动物园年卡后,门票每人每次按一定折扣优惠.
(2)洋洋准备利用暑假多次去动物园完成“生物多样性”课题实践活动,请问他选择哪种购票方式更划算?请说明理由.
您最近一年使用:0次
8 . 如图,直线
:
与直线
:
相交于点
,则关于x的不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c608def11fa0e2b34f05592ef1d11fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbd49bf20f987c05b4d36e31549075c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b966f2b610aeab2b7993a0fa42cfc543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4cac29f51c378b43da82ab56fce243.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 如图,在同一平面直角坐标系中,一次函数
的图象与x轴交于点A,与y轴交于点B,与
的图象交于点C,已知点A的坐标为
,点C的坐标为
.
的面积;
(2)直接写出关于x的不等式
的解集:______;
(3)直接写出关于x的不等式组
的解集:______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a2b4c212450b2a0f77e042c8da13dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82c1a7f5ddf913c6aa1a5994a3ea98a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a2f5fab78f965dbfe82eab328f15a8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
(2)直接写出关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710f5b495491febf69681b978553754f.png)
(3)直接写出关于x的不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f78d5505ef981339ab327d8d06a383.png)
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10 . 如图,直线
(b为常数)与直线
(k为常数且
)交于点
,则关于x的不等式
的解集是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/170785d8eaffa7cb618e52c4580e95fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f775813f526470cc4ffa5b4a807e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d81805124ee8814a04258883ffeced1.png)
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