如图,一次函数与反比例函数
的图像交于点
,与
轴交于点
.
(1)求反比例函数和一次函数的解析式;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(3)直接写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18c20c66ddb42c2cfd949cbe61b5117.png)
更新时间:2023-09-14 10:24:46
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解答题-问答题
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适中
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【推荐1】甲、乙两人分别从
两地去同一城市
,他们离
地的路程
(千米)随时间
(时)变化的图象如图所示,根据图象解答下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/2e0098d0-dfae-4a7b-80b5-4765d1fe75c1.png?resizew=222)
(1)
两地的路程为________千米;
(2)求乙离
地的路程
(千米)关于时间
(时)的函数表达式;
(3)甲、乙两人出发多长时间后在途中相遇?此时他们离
地的路程是多少?
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/2e0098d0-dfae-4a7b-80b5-4765d1fe75c1.png?resizew=222)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
(2)求乙离
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)甲、乙两人出发多长时间后在途中相遇?此时他们离
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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【推荐2】如图,在平面直角坐标系中,直线
分别交
轴,
轴于
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/e2ec0f17-ca35-4b16-83dd-746fd8b3ba29.png?resizew=138)
(1)求直线
的函数关系式;
(2)点
的坐标为
,若在
轴上存在点
,使得
是等腰三角形,请求出点
的坐标.
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/949b608fe270742966d80230397a4804.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/e2ec0f17-ca35-4b16-83dd-746fd8b3ba29.png?resizew=138)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb13bbc5335efc427f9c619a51dae3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
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【推荐1】已知一次函数
的图像经过点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/32500bfc-8b28-4388-be48-7fbd7333ff03.png?resizew=159)
(1)求一次函数的表达式,并在所给直角坐标系中画出此函数的图像;
(2)根据图像回答:当
时,
;
(3)求直线
与直线
与y轴围成的三角形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06ccefffc165f9c77250cd28301d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a77999f7e1ecaa8bb4cd1a2ac30cf9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/32500bfc-8b28-4388-be48-7fbd7333ff03.png?resizew=159)
(1)求一次函数的表达式,并在所给直角坐标系中画出此函数的图像;
(2)根据图像回答:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15286e776ce9f090bb8df23e6e30a3bb.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06ccefffc165f9c77250cd28301d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b67d9da246af54756efa5ddc3f42ca.png)
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【推荐2】如图,一次函数
的图象与直线
平行,与
轴交于点
,且与正比例函数
的图象交于点
.
(1)分别求出这两个函数的表达式及
的面积;
(2)将正比例函数
的图象沿
轴向下平移
个单位长度后得到直线
,请写出直线
的函数表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d49bb2fdf76bbf030f0749462ab208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01329473ed89417dc98a795b1ea89533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d8016002067726f1c74bcd923068b3.png)
(1)分别求出这两个函数的表达式及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
(2)将正比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01329473ed89417dc98a795b1ea89533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2020/9/8/2545483254693888/2546840169381888/STEM/530276f29eb04794afd95490e9ca33c5.png?resizew=153)
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【推荐1】已知:如图,一次函数
的图象与反比例函数
的图象交于A、B两点,且点A的坐标为(1,m).
![](https://img.xkw.com/dksih/QBM/2015/2/10/1573797397708800/1573797403279360/STEM/86a96b453feb405b84691d4d828742f6.png)
(1)求反比例函数
的表达式;
(2)点C(n,1)在反比例函数
的图象上,求△AOC的面积;
(3)在x轴上找出点P,使△ABP是以AB为斜边的直角三角形,请直接写出所有符合条件的点P的坐标.
![](https://img.xkw.com/dksih/QBM/2015/2/10/1573797397708800/1573797403279360/STEM/7f366f3f4ba34e388576b0354be23b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://img.xkw.com/dksih/QBM/2015/2/10/1573797397708800/1573797403279360/STEM/86a96b453feb405b84691d4d828742f6.png)
(1)求反比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
(2)点C(n,1)在反比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
(3)在x轴上找出点P,使△ABP是以AB为斜边的直角三角形,请直接写出所有符合条件的点P的坐标.
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【推荐2】如图点
在函数
(
是常数,
,
)的图象上,将点
先向下平移4个单位,再向右平移2个单位,得点
,点
恰好落在函数
的图象上.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/5595f27e-60c7-416c-b2fa-b4049f96a813.png?resizew=165)
(1)求函数
的解析式;
(2)连接
,
,
,求
的面积;
(3)一次函数
(
,
是常数,
)经过
,
两点,直接写出
时,
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f1014216cfe274e4ca9787842ba3de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a249a4460b4edd504ae4dfecccd032bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1326c3aac61397f6be2d46bfbb8fe917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/5595f27e-60c7-416c-b2fa-b4049f96a813.png?resizew=165)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.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/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
(3)一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bb22b9722cbbca2802610d6e58554e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f494e4db0034036232b9857b95ca8cb.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/2ac67e9a909472ab852d38d2ec66a1e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐1】如图,一次函数y=
x+b(k≠0)与反比例函数
,
≠0) 的图象交于点A (-1,3),B(n,-1),与x轴交于点C.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/ea043015-2006-489d-b0fe-7d4c0c0a3d75.png?resizew=178)
(1)求反比例函数和一次函数的解析式:
(2)点P在x轴上,且满足
,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb79a1b0c6dc78e6de17de6bed477fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/ea043015-2006-489d-b0fe-7d4c0c0a3d75.png?resizew=178)
(1)求反比例函数和一次函数的解析式:
(2)点P在x轴上,且满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0960ff4c7eafaf29fe7a86e76b72360f.png)
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名校
【推荐2】如图,已知
,
是一次函数
的图象和反比例函数
图象的两个交点,直线
与
轴和
轴的交点分别为
、
.
![](https://img.xkw.com/dksih/QBM/2021/9/8/2803855004295168/2804524362252288/STEM/2fb419000fb94a0c9a53d5a8b0f83860.png?resizew=217)
(1)求反比例函数和一次函数的解析式.
(2)请写出不等式
的解集______.
(3)若
轴上有一动点
,使得
的面积为18,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e616368e9d8999dde69e3fce609c9503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed19109a90fa98ea44e3a94bc44ca548.png)
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/2021/9/8/2803855004295168/2804524362252288/STEM/2fb419000fb94a0c9a53d5a8b0f83860.png?resizew=217)
(1)求反比例函数和一次函数的解析式.
(2)请写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772833ef085e12b5fccde3d505c1122b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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【推荐3】阅读理解:通过画图我们知道,函数
的图像可以由反比例函数
的图像向左平移一个长度单位得到;函数
的图像可以由反比例函数
的图像向上平移三个长度单位得到;函数
的图像可以由反比例函数
的图像先向左平移一个长度单位,再向上平移三个长度单位得到.
的图像可以由反比例函数
的图像先向______平移三个长度单位,再向______平移两个长度单位得到;
(2)如图,函数
为常数,且
的图像经过
,
两点.求这个函数的表达式;
(3)在(2)的条件下,经过
,
两点的直线
(
,
为常数且
),若
,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4786ff384829d0ba235c689dfa494e3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef854dfcbba9b7dedc1bc52f6332b011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5342e74a0c904e950a7f48dd9dcae994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef854dfcbba9b7dedc1bc52f6332b011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6afbe1f2dbf6785972b2fc45252693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef854dfcbba9b7dedc1bc52f6332b011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e70444ce2b0d3aac346c0e2e3d8cbd0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef854dfcbba9b7dedc1bc52f6332b011.png)
(2)如图,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122c6097e600aa0a8b0e71d1a84855e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28b08682efa2692b052f64fe1448fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a2b8b43e1fe82fc439d145e91b860c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f445b89302981483f3c8a7b25ddb7dbd.png)
(3)在(2)的条件下,经过
![](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/ebe47e01d46d427917ef49b8b4547790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14afef31dafd22343bcc789cafa5c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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