已知一次函数
的图象与直线
平行,且截距为
,求这条直线与两条坐标轴所围成图形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e091cface0c4a22727634eb480562d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
21-22八年级下·上海静安·期中 查看更多[2]
更新时间:2022-05-06 21:06:50
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解答题-证明题
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适中
(0.65)
【推荐1】若一次函数
(
,
、
是常数)与
,(
,
、
是常数),满足
且
,则称这两函数是对称函数.
(1)当函数
与
是对称函数,求m和n的值;
(2)在平面直角坐标系中,一次函数
图象与x轴交于点A,与y轴交于点B,点C与点B关于x轴对称,过点A、C的直线解析式是
.求证:函数
与
是对称函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a7c8385c21f69fd42c2872a6bd19d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9efeb4455e30293d412938eeea85d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91979f79133960243a6735f6ce167b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae7c6c2e0772926b35b2672113557d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20eec4c0b16de240e078c91716deafd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8897921a0f2c263644e3386344c66b.png)
(1)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f354a2736eb5c541ebd9a87cc0dd8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a207525a6e6d01f102b95162fbfdb3c0.png)
(2)在平面直角坐标系中,一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e848a84da3af58eae6259765114dab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e848a84da3af58eae6259765114dab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】已知y+1与x﹣1成正比,且当x=3时y=﹣5,请求出y关于x的函数表达式,并求出当y=5时x的值.
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解答题-问答题
|
适中
(0.65)
【推荐1】如图,一次函数y=﹣
x+m与x轴、y轴分别交于A、B两点,与正比例函数y=kx交于点C(1,
).
(1)求k、m的值;
(2)求△OAC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求k、m的值;
(2)求△OAC的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/4dfe306a-2496-4105-ab6e-4e2992a73bc7.png?resizew=151)
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解答题-问答题
|
适中
(0.65)
【推荐2】如图,直线y=2x与双曲线y=
交于点A,E,直线AB交双曲线于另一点B(2m,m),连接EB并延长交x轴于点F.
![](https://img.xkw.com/dksih/QBM/2019/8/4/2261718237388800/2263648266059776/STEM/71658d8f8ddf46e3af219d337ec796ca.png?resizew=206)
(1)求直线AB的解析式;
(2)求△EOF的面积;
(3)若点P为坐标平面内一点,且以A,B,E,P为顶点的四边形是平行四边形,请直接写出所有满足条件的点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47651f15eeed13a8035eaf5b9f384a9d.png)
![](https://img.xkw.com/dksih/QBM/2019/8/4/2261718237388800/2263648266059776/STEM/71658d8f8ddf46e3af219d337ec796ca.png?resizew=206)
(1)求直线AB的解析式;
(2)求△EOF的面积;
(3)若点P为坐标平面内一点,且以A,B,E,P为顶点的四边形是平行四边形,请直接写出所有满足条件的点P的坐标.
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解答题-问答题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系系中,一次函数
与反比例函数
的图象交于第二、第四象限
,
两点,过点
作
轴,垂足为
,
,
,且点
的坐标为
.
![](https://img.xkw.com/dksih/QBM/2019/4/24/2189214745575424/2189463658610688/STEM/aabd501f51364ecda7bb33c21a61089c.png?resizew=228)
(1)求一次函数与反比例函数的表达式;
(2)将一次函数
向下移动
个单位的函数记为
,当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bd749faa31a3d813a575fb00f0da8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d258deae6f5bd738e9d9ab2297868bf9.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5d3a0273d1f3046dfad2086d0df56c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53339d9f796a117a5e23cad62eb56d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ca872f51e4e6835e99067b31b53cc3.png)
![](https://img.xkw.com/dksih/QBM/2019/4/24/2189214745575424/2189463658610688/STEM/aabd501f51364ecda7bb33c21a61089c.png?resizew=228)
(1)求一次函数与反比例函数的表达式;
(2)将一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bd749faa31a3d813a575fb00f0da8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0d582ffdfd9d318f8d467c7c0f6741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】如图,直线
与x轴交于点B,与y轴交于点C,已知二次函数的图象经过点B,C和点A
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/71b82042-46a1-4b25-a582-f9d3d04b9705.png?resizew=131)
(1)求B,C两点的坐标.
(2)求该二次函数的解析式.
(3)若把直线
向上平移m个单位,平移后的直线与二次函数的图象只有唯一公共点,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9118cc77fc0a045337745890e50cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d1b0e316f658f4ffe056511101614d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/71b82042-46a1-4b25-a582-f9d3d04b9705.png?resizew=131)
(1)求B,C两点的坐标.
(2)求该二次函数的解析式.
(3)若把直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9118cc77fc0a045337745890e50cad.png)
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解答题-问答题
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适中
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【推荐1】如图,直线
的解析式为
,且
与x轴交于点D,直线
经过点
,
,直线
,
交于点C.
(1)求直线
的解析式;
(2)求
的面积;
(3)在第一象限内是否存在点P,使得以A,C,D,P为顶点的四边形为平行四边形,若存在,请直接写出点P的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c653f3ac494070e375977c3bcb3ede1.png)
![](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/e95e84f5c91c910aaafc5e74dbfbdf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774a0ad9067888d85a7ade0cc096c2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/3/8f9e7f74-5433-4dfc-bcb1-5263f7d244d2.png?resizew=190)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
(3)在第一象限内是否存在点P,使得以A,C,D,P为顶点的四边形为平行四边形,若存在,请直接写出点P的坐标;若不存在,请说明理由.
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解答题-作图题
|
适中
(0.65)
【推荐2】在平面直角坐标系中,一次函数y=-x+4的图象如图所示.
(1)在同一坐标系中,作出一次函数y=2x-5的图象;
(2)用作图象的方法解方程组
;
(3)求一次函数y=-x+4与y=2x-5的图象与x轴所围成的三角形的面积.
(1)在同一坐标系中,作出一次函数y=2x-5的图象;
(2)用作图象的方法解方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90255e0513f614d7b69690587c267965.png)
(3)求一次函数y=-x+4与y=2x-5的图象与x轴所围成的三角形的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/fc3153ed-c07b-47ca-85a8-64507d6531c9.png?resizew=186)
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