1 . 如图,直线
与
轴,
轴分别交于
,
两点,直线
与
轴相交于点
,与直线
相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/0638eeda-3f12-43b2-a52d-109c3e1b5c1e.png?resizew=219)
(1)填空:
①线段
的长度为______;
②方程组
的解为______;
(2)求直线
的函数表达式;
(3)已知点
为直线
上一动点,过点
作
轴交直线
于点
.设点
的横坐标为
,当
时,求出点
的坐标;结合图象,直接写出当
时,
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12c1094a649d90ef089b008e025eb8a.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a01e2e3d40112fdeeb464f81eaac1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f6dd0159f0fe46dbc3f4e493f8d3e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/0638eeda-3f12-43b2-a52d-109c3e1b5c1e.png?resizew=219)
(1)填空:
①线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
②方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a3cc33295aa295e25262fd47555982.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf20f734ac54ab0eec2e1c170a3a24f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ee7af832af9460f4775fa5c8c3620f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb8472f4d14d5643b0be090721d5605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2 . 如图,函数
(k,b为常数,
)的图象经过点
,与函数
的图象交于点A,下列结论:①点A的横坐标为2;②关于x的不等式
的解集为
;③关于x的方程
的解为
;④关于x的不等式组
的解集为
.其中正确的是_______ (只填写序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed512a9453132a67d052436dcf510f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53299a3be15fad52478cdc9605aa0ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9ee674d32fbd8d88b3af244eb968c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a551a88ac426439803f564a3bbee04a.png)
您最近一年使用:0次
2024-06-11更新
|
456次组卷
|
2卷引用:山东省青岛市城阳区2023-2024学年八年级下学期期中数学试题
名校
3 . 已知一次函数
(k,b是常数,且
).
(1)若
,此函数的图象过下列哪个点 ;
A.
B.
C.
D.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
(2)若该函数的图象经过
,
两点,
当
时,函数
值的范围是 ;
当
时,对于x的每一个值,函数
的值都大于函数
的值,则t的取值范围为 ;
(3)若
,点
在该一次函数图象上,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c4073620d217684a8c06d371c45046.png)
A.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaef66a0582e95fb5c57a405acdea9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
(2)若该函数的图象经过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fe88412da03cc114f2250593293217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f17174b76134e89f7b4c9eea27e62d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c394559f81cc114b23556ddab2479b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f615edcfd4e28904146df2e79833c3.png)
您最近一年使用:0次
4 . 如图所示,在同一个坐标系中一次函数
和
的图象,分别与
轴交于点
,两直线交于点
,已知点
坐标为
,点B坐标为
,观察图象并回答下列问题:
的方程
的解是______;关于
的不等式
的解集是______;
(2)直接写出关于
的不等式组
解集是______;
(3)若点
坐标为
,关于
的不等式
的解集是______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b3c8be9aee074c9a3203abace248ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b3c94d505e7c5bcce94afec4af3d92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c0573e2af8a0dc8c6a1c0af067a324f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350b01b1af653cfb920f433425b8d5d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed512a9453132a67d052436dcf510f4.png)
(2)直接写出关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb32b1250f4f194810353929485091b7.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289ada46dd6a8dd75aba834709f09def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2556f38d4a395b123c5b4283b957ab.png)
您最近一年使用:0次
名校
5 . 我们曾探究过“函数
的图象上点的坐标的特征”,了解了一元一次不等式的解集与相应的一次函数图象上点的坐标的关系.发现:一元一次不等式
的解集是函数
图象在
轴上方的点的横坐标的集合.
结论:一元一次不等式:
(或
)的解集,是函数
图象在
轴上方(或
轴下方)部分的点的横坐标的集合.
【解决问题】:
(1)如图1,观察图象,一次函数
的图象经过点
,则不等式
的解集是______.
(2)如图2,观察图象,两条直线的交点坐标为______;不等式
的解是______;
【拓展延伸】:
(3)如图3,一次函数
和
的图象相交于点
,分别与
轴相交于点
和点
.
①结合图象,直接写出关于
的不等式组
的解集是______.
②若
轴上有一动点
,是否存在点
,使得
为等腰三角形,若存在,请直接写出
点坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daab03b1642f1ea187c94f62088ac0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91272e904a7f695912ad3ef37eb0f8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daab03b1642f1ea187c94f62088ac0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
结论:一元一次不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2873942b9f3141213ecd93f42aa270d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed512a9453132a67d052436dcf510f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
【解决问题】:
(1)如图1,观察图象,一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4f7a1b6a310f6b39661f6a364fd721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d620b9b8f12196dfc54e7fa79c05c627.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e28182f72b48b604533e2b846478fa.png)
(2)如图2,观察图象,两条直线的交点坐标为______;不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8d0224bb1dd92b72699a1900c1055e.png)
【拓展延伸】:
(3)如图3,一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24229016b7d186b7b55468ac5b457861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffd0e09b36f9b972dd73e9406ab00f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①结合图象,直接写出关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1007f2d9401a2935b167a95234f8f4f.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef89239031d836ea6ccf30ab2653bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
2024-04-26更新
|
127次组卷
|
4卷引用:河南省郑州市中原区郑州市第七十三中学2023-2024学年八年级下学期3月月考数学试题
6 . 如图所示,在同一个坐标系中一次函数
和
的图象,分别与
轴交于点
、
,两直线交于点
.已知点
坐标为
,点
坐标为
,观察图象并回答下列问题:
的解是___;关于
的不等式
的解集是______.
(2)直接写出关于x的不等式组
解集是______.
(3)若点
坐标为
,
①关于
的不等式
的解集是______;
②
的面积为______.
③在
轴上找
点
,使得
的值最大,则
点坐标为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b3c8be9aee074c9a3203abace248ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d478d61846986401e1eb2ac56198c9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a36c14f23d9e36296fce30938a4a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350b01b1af653cfb920f433425b8d5d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4bcef2984d0566235edd379476b26a.png)
(2)直接写出关于x的不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9dd739a2772f3e3873fac3daf84106.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dfeea7aa4b748053053587d2f4a06f3.png)
①关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2556f38d4a395b123c5b4283b957ab.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
③在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b700fa9aeb1016aa71f76e4b6bb212e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96a2fc7503ece9a8f4de2cbcc1588c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2024-04-07更新
|
1044次组卷
|
4卷引用:辽宁省沈阳市第四十六中学2023-2024学年八年级下学期3月月考数学试题
辽宁省沈阳市第四十六中学2023-2024学年八年级下学期3月月考数学试题山东省滕州市东郭镇党山中学2023-2024学年下学期期中复习题八年级数学试题(已下线)专题10函数的综合应用题型总结(4大模型+解题技巧)-2024年中考数学答题技巧与模板构建(全国通用)数学(北京卷)-【试题猜想】2024年中考考前最后一卷
名校
7 . 定义:对于两个关于
的函数,如果存在
取某一值时,两个函数的函数值相等,那么称两个函数互为“明盟函数”,其中
的值叫做这两个函数的“明盟点”,相等的函数值叫做“明盟值”.例如:对于函数
与
,当
时,
.因此,
、
互为“明盟函数”,
是这两个函数的“明盟点”,“明盟值”为2.
(1)下列函数中是
的“明盟函数”的有 (填序号);
①
;②
;③
.
(2)已知函数
与函数
,若
与
只存在一个“明盟点”,求
的值或取值范围;
(3)若无论
取何值,
(
为常数),与函数
(
为常数,
)始终是“明盟函数”,且只有一个“明盟点”,求
的值以及“明盟值”的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ff206d48c26c836ddeecebb83f8b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec56d55e15e862a0a94d4eff20e194e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3706c8575b004154908c34c973feba03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)下列函数中是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4407788e4dc88210bca71a2551d4f2f9.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026808536f6b6d265c778e23836fbf13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f42b2a9736c8943106472a7398d2892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b629bea8e22de9bfc49158e2289871.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c598a3fde00a428902b9b2792f5a741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a091ff82fba89cebeb7131356713e0e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若无论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f174e5f6a421345d6825b1057fdf2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595044a7750ab4f84519041979c3d780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76da5f11d7f57a65ebfb757dc31100b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff63674643084f72c4f1beb45951af58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595044a7750ab4f84519041979c3d780.png)
您最近一年使用:0次
名校
8 . 在坐标系中作出函数
的图象,利用图象解答下列问题:
的解;
(2)求不等式
的解集;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e488bcf5c0eacfb5cb27a70038d4f77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00498fc04bbb7c34a95ffd496dbd104b.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58268675a7d970e4dbd689170e1e0c6e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2ca737fa91656089db5e2e2591174d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2018-08-15更新
|
550次组卷
|
3卷引用:人教版八年级下册第十九章一次函数与方程(组)不等式专题复习检测
9 . 画出函数
的图象,利用图象求解下列问题:
(1)求方程
的解;
(2)求不等式
的解集;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b5062be5cf27ae8089ad0c25d1b7c3.png)
(1)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7c0975761c23d6a82e3c26e8f03711.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511ae12719f6398b0e2d41215ff89370.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c259e2ccf9411148d19108bcdd937f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
10 . 如图,在平面直角坐标系中,直线
与直线
相交于点
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e114459637a3db306e91b5e9ee9aae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81041b4dd93923454a8f69da30d53249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f0385a34634dc389c744bd5dfe2311.png)
A.![]() ![]() |
B.经过一、二、四象限的直线是![]() |
C.关于x、y的方程组![]() ![]() |
D.关于![]() ![]() ![]() |
您最近一年使用:0次