已知一次函数
与反比例函数
的图象交于
、B两点,交y轴于点C.
(2)过点C的直线交x轴于点E,且与反比例函数图象只有一个交点,求CE的长;
(3)我们把一组邻边垂直且相等,一条对角线平分另一条对角线的四边形叫做“维纳斯四边形”.设点P是y轴负半轴上一点,点Q是第一象限内的反比例函数图象上一点,当四边形
是“维纳斯四边形”时,求Q点的横坐标
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5450d62d0fe91d14dc0c631901b7ed09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d105b74c40724a7da626e7c42afbf5fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff3e659ef5fef3526c7772f21c68742.png)
(2)过点C的直线交x轴于点E,且与反比例函数图象只有一个交点,求CE的长;
(3)我们把一组邻边垂直且相等,一条对角线平分另一条对角线的四边形叫做“维纳斯四边形”.设点P是y轴负半轴上一点,点Q是第一象限内的反比例函数图象上一点,当四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d4ab45e8e8f0084d8d90a4c1233d86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c15a90db6dfd1aab79a3728748cc6c.png)
2023·四川成都·一模 查看更多[15]
2023年四川省成都市青羊区一诊数学试题(已下线)2023年四川省成都市青羊区一诊数学试题变式题16-20题(已下线)数学(预测新题型、济南卷)-学易金卷:2023年中考第一次模拟考试卷(已下线)专题11.16 “设参求值”法在反比例函数中的运用(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)2023 年山东省济南市钢城区中考二模数学试题(已下线)专题6.16 “设参求值”解决反比例函数问题(培优篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)2023年山东省济南市钢城区中考一模数学试题(已下线)2023年济南一模(一次函数与反比例函数综合)(已下线)2023年济南二模(一次函数与反比例函数综合)(已下线)2023年成都模拟(新定义问题)(已下线)2023年四川省成都市中考数学真题变式题14-18题四川省成都市成都武侯外国语学校2023-2024学年九年级上学期12月月考数学试题广东省佛山市南海区 、三水区2023-2024学年九年级上学期期末数学试题四川省成都市双流区实外西区学校2023-2024学年九年级上学期期中数学试题(已下线)难点03 反比例函数与几何综合(相似三角形及新定义)-2024年中考数学【热点·重点·难点】专练(四川成都专用)
更新时间:2023-03-05 08:08:52
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【推荐1】(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c20fb923ef6a8df120f968237db97b09.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80330326e49d2e60930d23420142aaf6.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f8ca2a7bc813b07c9ca92ef4a518a9.png)
(4)先化简,再求值.
,其中
.
(5)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c20fb923ef6a8df120f968237db97b09.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80330326e49d2e60930d23420142aaf6.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f8ca2a7bc813b07c9ca92ef4a518a9.png)
(4)先化简,再求值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae130243f0ae76a40383680ddee1829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78d94d82f1552bb9837845383bf5c94.png)
(5)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50b24c58c327eae507e132ca30d16620.png)
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【推荐2】对于任意两个非零实数a,b,定义运算
如下:
.
如:
,
.
根据上述定义,解决下列问题:
(1)
,
;
(2)如果
,那么x = ;
(3)如果
,求x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d25459ca3b44386cb3e801b8ad0341c8.png)
如:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3b58edb6f5388dd6977c6785565c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ae8b22f20dc41b7aa358a8c91ca044.png)
根据上述定义,解决下列问题:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86db8609896ffa2a342b55cbc9498fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c625df2c74c0b381458fd1c583a9a0e4.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82c854fe7965c540f1d1c15401052d1e.png)
(3)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d7e7834a81f3790f5e7a34dab0e05c.png)
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名校
【推荐3】阅读下列两份材料,理解其含义并解决下列问题:
【阅读材料1】如果两个正数a,b,即
,
,则有下面的不等式:
,当且仅当
时取等号.它在数学中有广泛的应用,是解决最大(小)值问题的有力工具.
【实例剖析1】已知
,求式子
的最小值.
解:令
,
,则由
,得
,
当且仅当
时,即
时,式子有最小值,最小值为4.
【阅读材料2】我们知道,分子比分母小的分数叫做“真分数”;分子比分母大,或者分子、分母同样大的分数,叫做“假分数”.类似的,我们定义:在分式中,对于只含有一个字母的分式,当分子的次数大于或等于分母的次数时,我们称之为“假分式”;当分子的次数小于分母的次数时,我们称之为“真分式”.
【实例剖析2】如:
,
这样的分式就是假分式;如:
,
这样的分式就是真分式,假分数
可以化成
(即
)带分数的形式,类似的,假分式也可以化为带分式.
如:
;
.
【学以致用】根据上面两份材料回答下列问题:
(1)已知
,则当
__________时,式子
取到最小值,最小值为__________;
(2)分式
是__________(填“真分式”或“假分式”);假分式
可化为带分式形式__________;如果分式
的值为整数,则满足条件的整数x的值有__________个;
(3)用篱笆围一个面积为
的矩形花园,问这个矩形的两邻边长各为多少时,所用的篱笆最短,最短的篱笆是多少?
(4)已知
,当x取何值时,分式
取到最大值,最大值为多少?
【阅读材料1】如果两个正数a,b,即
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82dd51834f6e57b880f753271a97794a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
【实例剖析1】已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a3fd04f4b3ba73d29a5d74be19ec38.png)
解:令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbf7575ec7f9c22f3b51084fe190b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ecc66c7eb7e24f0d36829dca1554375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689f982af451283289255c87593ec338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e348d60a2a7fdcd7c25f9270cf7a314b.png)
当且仅当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f1e3048c60441505af80599dba214f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
【阅读材料2】我们知道,分子比分母小的分数叫做“真分数”;分子比分母大,或者分子、分母同样大的分数,叫做“假分数”.类似的,我们定义:在分式中,对于只含有一个字母的分式,当分子的次数大于或等于分母的次数时,我们称之为“假分式”;当分子的次数小于分母的次数时,我们称之为“真分式”.
【实例剖析2】如:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7c0203e4dcfb797fdb0939421f2735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7685fdea87e2c8bd9c4b916c5456fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98efc18ba76bfa079b1a4bbbbdb18661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d4ceb780d147ef10d3eaf29dda5327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d297eab7380f6a28ec010218d9ab4ba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a527e15c7f969f0889ff3f9cef717e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18fefee6a8639c03db324c9ac4307c01.png)
如:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4290ff79909607297ce7a720ff8c719a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a551d594e33953c43e89e66a4538adff.png)
【学以致用】根据上面两份材料回答下列问题:
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cee9c95fffa3b6c8db3acb5a837fdf7.png)
(2)分式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d128796cd2ff664fc3866c5713045c27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c55aa716790e02399ef000e8b73221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c55aa716790e02399ef000e8b73221.png)
(3)用篱笆围一个面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d839d5a6907220b2bfecce3f792145.png)
(4)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc2a9a4373310822be9c1110425f2c1.png)
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【推荐1】
在直角坐标系内的位置如图所示,反比例函数
在第一象限内的图象与BC边交于点
,与AB交于点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7bffc3d5bdd2a4b11995e0bf0bec1c.png)
(1)求m与n的数量关系.
(2)当
时,记
面积为S,用含有k的式子表示S.
(3)若
的面积为2.设P是线段AB边上的点,在(2)的条件下,是否存在点P,以B,C,P为顶点的三角形与
相似?若存在,求出此时点P的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bd7e92dae1e0c2af6c33d5e202f544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17b165a838d034ac4717f0e1e5a3b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7bffc3d5bdd2a4b11995e0bf0bec1c.png)
(1)求m与n的数量关系.
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583effa35880ba5704dfc4ae4e48a6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15514bc735fe4b744672edefe00009c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15514bc735fe4b744672edefe00009c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b59f79992d67ee52d205537728f2745.png)
![](https://img.xkw.com/dksih/QBM/2022/1/12/2893008106307584/2894942011809792/STEM/c1371c0d-136d-477c-90d9-1879e73f980a.png?resizew=265)
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【推荐2】如图①,在矩形OABC中,OA=4,OC=3,分别以OC、OA所在的直线为x轴、y轴,建立如图所示的坐标系,连接OB,反比例函数y=
(x>0)的图象经过线段OB的中点D,并与矩形的两边交于点E和点F,直线l:y=kx+b经过点E和点F.
![](https://img.xkw.com/dksih/QBM/2019/11/27/2342773206933504/2343471495692288/STEM/d6b2cf71119546948d411f8390b01409.png?resizew=421)
(1)求反比例函数的解析式;
(2)连接OE、OF,求△OEF的面积;
(3)在第一象限内,请直接写出关于x的不等式kx+b≤
的解集: .
(4)如图②,将线段OB绕点O顺时针旋转一定角度,使得点B的对应点H恰好落在x轴的正半轴上,连接BH,作OM⊥BH,点N为线段OM上的一个动点,求HN+
ON的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://img.xkw.com/dksih/QBM/2019/11/27/2342773206933504/2343471495692288/STEM/d6b2cf71119546948d411f8390b01409.png?resizew=421)
(1)求反比例函数的解析式;
(2)连接OE、OF,求△OEF的面积;
(3)在第一象限内,请直接写出关于x的不等式kx+b≤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
(4)如图②,将线段OB绕点O顺时针旋转一定角度,使得点B的对应点H恰好落在x轴的正半轴上,连接BH,作OM⊥BH,点N为线段OM上的一个动点,求HN+
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
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【推荐1】如图,一次函数
的图象与反比例函数
的图象相交于点
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/27/116e0e7d-723c-4c46-8fb2-fb00ed76b40a.png?resizew=269)
(1)分别求出一次函数和反比例函数的解析式:
(2)根据图象,直接写出满足
的
的取值范围;
(3)连接BO并延长交双曲线于点C,连接AC,求
ABC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c143e0781facdd4e4b6db9854e0ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28da81834c03a79157db5819985d750.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/27/116e0e7d-723c-4c46-8fb2-fb00ed76b40a.png?resizew=269)
(1)分别求出一次函数和反比例函数的解析式:
(2)根据图象,直接写出满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4f96f5ed512f472215bc34314e23e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)连接BO并延长交双曲线于点C,连接AC,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
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【推荐2】如图,反比例函数
的图象经过点
,连接
并延长交双曲线于点
,以
为对角线作正方形
,
与
轴交于点
,
与
轴交于点
,连接
,以
为直径画弧,
与线段
围成的阴影面积为
,
的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/19cb6e21-60b0-45ab-95b4-7c42a71fa3b4.png?resizew=192)
(1)求
的值;
(2)求
的长度及线段
的长度;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a8b6fe6b9add4a965ac32c1fc51c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ebfee8d3fd5d0c4d3b20012e232f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1f667712f157100aa01a0917004abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984aefe3435838d44e0c562189351a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/19cb6e21-60b0-45ab-95b4-7c42a71fa3b4.png?resizew=192)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1f667712f157100aa01a0917004abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c21cbb1c2bcbcb8391ac5a879f2ae0.png)
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解答题-问答题
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较难
(0.4)
【推荐3】在平面直角坐标系中,函数图象
上点
的横坐标
与其纵坐标
的和
称为点
的“坐标和”,而图象
上所有点的“坐标和”中的最小值称为图象
的“智慧数”.如图:抛物线
上有一点
,则点
的“坐标和”为6,当
时,该抛物线的“智慧数”为0.
(1)点
在函数
的图象上,点
的“坐标和”是 ;
(2)求直线
的“智慧数”;
(3)若抛物线
的顶点横、纵坐标的和是2,求该抛物线的“智慧数”;
(4)设抛物线
顶点的横坐标为
,且该抛物线的顶点在一次函数
的图象上;当
时,抛物线
的“智慧数”是2,求该抛物线的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.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/b88584cf1df43e28d03592c7998b1653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8c4afeb6cf6e4eac6c1044ecb12a2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/19/8b67d6cf-0531-45e3-9f90-9a962a3eb848.png?resizew=137)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292e35cabb11229346b9e715faba45e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646e11d5bff57e56ce82c2339f2d71ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9484536861565032aecbbaf88b67b895.png)
(3)若抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
(4)设抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2630d6cf14b3e8c82ee7080799901b8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9427de5d22d37859a110dbb234313c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46eae3baef6c846a533bce5e50fb40f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2630d6cf14b3e8c82ee7080799901b8d.png)
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解答题-问答题
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较难
(0.4)
【推荐1】已知一次函数
的图象与反比例函数
的图象交于点
,与
轴交于点
,若
,且
.
(1)求反比例函数与一次函数的表达式;
(2)若点
为
轴上一点,
是等腰三角形,直接写出点
的坐标.
(3)若点Q为x轴上一点,
是直角三角形,直接写出点Q的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.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/da50ebd2656745259525c8b157e389e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41aea69f4170688d83a27e4b0434e953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bbc960803312a7137d90b487a191b6.png)
(1)求反比例函数与一次函数的表达式;
(2)若点
![](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/2694c32ca1e120e988012b7ecd74f625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)若点Q为x轴上一点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a1eda00fc2d64ce3a42004b24adf00.png)
![](https://img.xkw.com/dksih/QBM/2021/10/9/2825604765786112/2828297519636480/STEM/d29270a8-7a63-497b-860a-9a68660b9200.png?resizew=237)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】如图,反比例函数
的图象与一次函数
的图象相交于
,
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/b015c764-779d-4c0a-83db-fbb3f600ef63.png?resizew=196)
(1)求反比例函数和一次函数的关系式;
(2)求
的面积;
(3)设直线
交
轴于点
,点
分别在反比例函数和一次函数图象上,若以
为顶点的四边形是平行四边形,直接写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debb915eafbf76a3aed841bbf651a21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fcfb95be88befe3d1c3fe14fdfccc5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/b015c764-779d-4c0a-83db-fbb3f600ef63.png?resizew=196)
(1)求反比例函数和一次函数的关系式;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05f1ebba70825545c3b3b2045f31be6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次