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.
更新时间:2024-06-04 20:54:46
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解答题-作图题
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【推荐1】在平面直角坐标系中,已知一次函数
的图象与
轴、
轴分别交于点
、
.
(1)在平面直角坐标系中画出一次函数的图象;
(2)求该一次函数的解析式;
(3)横、纵坐标都是整数的点叫做整点.
①
内(不含边界)的整点个数为______个;
②将直线
向上平移
个单位长度,平移后的直线与
轴、
轴分别交于点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27149c9ff20937492950f42084caa019.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/28/74406bd1-daad-4db3-8b5c-9b748c829baf.png?resizew=229)
(1)在平面直角坐标系中画出一次函数的图象;
(2)求该一次函数的解析式;
(3)横、纵坐标都是整数的点叫做整点.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
②将直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解答题-问答题
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【推荐2】如图,在平面直角坐标系中,抛物线
与x轴交于点
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(2)若点P为第三象限内抛物线上一动点,作
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于点E,点G为y轴上一动点,过点E作
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5bca93f672c0492da6d136e0c54b3e8.png)
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(2)若点P为第三象限内抛物线上一动点,作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f00d0ff8dd38da17167cf9b789eec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57cd3f434f0cb913441e13b2c648b4a.png)
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解答题-问答题
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【推荐1】如图,在平面直角坐标系中,直线
与直线
相交于点P,并分别与x轴相交于点A、B.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/28/a60f8510-94d5-4ed4-9071-88981ec17e85.png?resizew=272)
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(3)根据图像可得,关于x的不等式
的解集为_______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31544558eea24297fd99d04d4a149bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9427de5d22d37859a110dbb234313c1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/28/a60f8510-94d5-4ed4-9071-88981ec17e85.png?resizew=272)
(1)求交点P的坐标;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
(3)根据图像可得,关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df134ea89ba26010421bed5050883bc9.png)
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【推荐2】已知
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解答题-问答题
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【推荐1】如图,在平面直角坐标系中,一次函数
与反比例函数
的图象交于
两点,与y轴交于点C.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/25/8b9c23a1-6139-4d66-a5b6-4e63c645d8fc.png?resizew=168)
(1)求一次函数的解析式;
(2)根据图象,直接写出关于x的不等式
的解集;
(3)若P是x轴上一点,且
的面积是
面积的3倍,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752f80003886f8e6bdcd8e77280450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14a7e87234861a432c3dd5de553f36f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/25/8b9c23a1-6139-4d66-a5b6-4e63c645d8fc.png?resizew=168)
(1)求一次函数的解析式;
(2)根据图象,直接写出关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d48aed5c5812c594c056eec8acd6ebc.png)
(3)若P是x轴上一点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3877c5dd48bc7311f79a38de74a6cab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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【推荐2】某研究所经实验测得,成人饮用某品牌38度白酒后血液中酒精浓度y(微克/毫升)与饮酒时间x(小时)之间的函数关系如图所示(当时,y与x成反比例).
(1)根据函数图象直接写出:血液中酒精浓度上升阶段的函数表达式为 ;下降阶段的函数表达式为 ;(并写出x的取值范围)
(2)求血液中酒精浓度不低于200微克/毫升的持续时间是多少小时?
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解答题-问答题
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【推荐1】如图,平面直角坐标系中,一次函数:
与反比例函数:
交于A
,B
两点.
![](https://img.xkw.com/dksih/QBM/2023/5/11/3235267014377472/3259575365828608/STEM/39d6a94b1d624ff0a8f8a9fa5546574a.png?resizew=244)
(1)填空:
,
;
(2)根据函数图象,直接写出不等式
的解集: ;
(3)连接
并延长交双曲线于点C,连接
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0be216b4a46322f4797c7845844645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db8dc0564b187f7adb8184f714ab5da.png)
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![](https://img.xkw.com/dksih/QBM/2023/5/11/3235267014377472/3259575365828608/STEM/39d6a94b1d624ff0a8f8a9fa5546574a.png?resizew=244)
(1)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70eb179f5ba95f46205d0550bc673a69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266c4310c4e4848152cf4565cd14f898.png)
(2)根据函数图象,直接写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3ec94ac3d9c58061911aba3124d81e.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ca831d939a442cfaf3d63664d86507.png)
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解答题-作图题
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【推荐2】如图1.在四边形
中,
,
,
,
,点P在四边形的边上,且沿着点B→C→D→A运动.设点P的运动路程为x,记
围成的图形面积为S,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df36ddca3929d0dd84bf3d8670c1e4ce.png)
(1)请直接写出
与x的函数关系式,并写出x的取值范围
(2)如图2,平面直角坐标系中已画出函数
的图像,请在同一坐标系中画出函数
的图像;
(3)结合y1与y2的函数图像,直接写出当
时,x的取值范围.(结果取精确值)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30f6595dd643813b11ad71df61a10dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf2b4fa8f96f287f94d46e2e6f5a612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49437f474e5805688dff21ded2d1fd7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02a6dcf722125e30b30b3992e73b102a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a459bce74f7e19c569b56fb9370cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df36ddca3929d0dd84bf3d8670c1e4ce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/30/1554ee19-290f-42de-83a5-ff3b0ea59bb6.png?resizew=498)
(1)请直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
(2)如图2,平面直角坐标系中已画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
(3)结合y1与y2的函数图像,直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
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