1 . 在平面直角坐标系
中,一次函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
的图象由函数
的图象平移得到,且经过点
.
(1)求该一次函数的解析式;
(2)当
时,对于
的每一个值,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95fb8b61d7fa8ecd5ea45762c7400e6c.png)
的值大于一次函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
的值,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bab957dad7f8446f0df832710f0f176a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9311b13eb2baab6641da9e7b48e13e24.png)
(1)求该一次函数的解析式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fe5b09807c4a5b3ab920c8c512e85e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95fb8b61d7fa8ecd5ea45762c7400e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442a661fa62566fc1632644a10c43f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bab957dad7f8446f0df832710f0f176a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
2 . 如图,在
中,
,动点
从点
出发,沿折线
方向运动到点
停止,设点
运动路程为
,
的面积为
.
关于
的函数关系式并注明自变量
的取值范围;
(2)在给定的平面直角坐标系中画出这个函数的图象,并写出该函数的一条性质;
(3)请根据图象,直接写出当
时
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9522bf1d163e9e405a6a50f8b02e9fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d0984bb4715e5e6100153012ddc5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)在给定的平面直角坐标系中画出这个函数的图象,并写出该函数的一条性质;
(3)请根据图象,直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e537bf8ed8b09b7c6a3aea5ac9ed6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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3 . 在平面直角坐标系xOy中,已知正比例函数
与一次函数
的图象如图所示,则关于x的一元一次不等式组
的解集是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8fd4abad8dcdbb499feda597f7dffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0506cfaa8355f157b94dceef00c1898.png)
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4 . 如图,根据图中信息回答下列问题:关于
的不等式
的解集是______ ;关于
的不等式
的解集是______ ;当
时,
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae6c08e4c2f5db9a595dcdbd99f9896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef9611049e51b4ad17bdcb6bf1549593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df86b0da538701c08fb214608e062372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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5 . 如图,一次函数
与
的图象相交于点
,则关于x的一元一次不等式
的解集为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8b5d8ffc2efedef3fbefdd973215f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfcb23ef1169799759d4a4aedd93e8.png)
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2024-06-04更新
|
497次组卷
|
2卷引用:重庆市綦江中学2023-2024学年八年级下学期期中数学试题
6 . 在平面直角坐标系
中,一次函数
的图象由函数
的图象平移得到,且经过点
.
(1)求这个一次函数的解析式;
(2)当
时,对于
的每一个值,函数
的值大于一次函数
的值,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e114459637a3db306e91b5e9ee9aae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc8350b12974ffc8d06fce36d158f02.png)
(1)求这个一次函数的解析式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e66e8f13170da6a580c7bf76cc966d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88608790d85e880a6a84a5e4f926b82e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7 . 如图,在平面直角坐标系
中,直线
与反比例函数
的图象交于
、B两点,与x轴交于点
,与y轴交于点D.
(2)求
的面积;
(3)根据图象,直接写出反比例函数值小于一次函数值时x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8986bfb4209a5d006003f2ef31edd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141a978953fab3405756857de38243e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d03310fa9440053c57d878acc06d02d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(3)根据图象,直接写出反比例函数值小于一次函数值时x的取值范围.
您最近一年使用:0次
2024-06-04更新
|
89次组卷
|
2卷引用:安徽省合肥市庐江县柯坦初级中学2023-2024学年九年级下学期月考数学试题
8 . 定义运算:
,
:当
时,
当
时,
如:
.如图,已知直线:
与
相交于点
,若
结合图像,写出
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85768816e59951a9d4a946350d57ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b07649215dd808b2a4c85f8f11e979f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a31824432fc8f58f1e7ba1c9d72c828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3ace60c550dd250801d67deb039065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d39f63380f7f1b57b2441522692678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4882eab3255409d32b0e847bbde8597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25b7d8ac78695fc37b826baad3c9c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bc1515095296d0aba96aac67b1dd54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2268265f42e0cb7cb089ddc664d1e14d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cf0417e0f751ebf41c74f65e87d096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ad69b0dce9efd1088a1cf89574cafa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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9 . 如图,直线
经过点
,
.
的表达式;
(2)若直线
的解析式为:
,直接写出不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c143e0781facdd4e4b6db9854e0ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee80939187a84e1863eeb192a301c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e729a860cfd19d075a037b497bbfa04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f8af9ce5d927e6f422de42ead6ffb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292d1824ad5a5e1351a5eebd9debafd0.png)
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10 . 如图,正比例函数
的图象与反比例函数
的图象交于A,B两点,若点A的坐标为
,则关于x的不等式
的解集为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766bc42b7ead98238a339bb4dc42bb51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb79a1b0c6dc78e6de17de6bed477fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2234eabaa7f119a3624e6370fb82c1eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db504d3deee47e85c049b5e0a06dad5a.png)
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