如图,已知平行四边形
中,
,
,以
为直径的圆经过点C,Q为线段
上任一点(与点O、点C不重合),过点
作直线
垂直于
于
,交直线
于P,设
,
的面积为
.以下结论其中正确的是( )
①点B的坐标是
;
②直线
的解析式是:
;
③S与t的函数关系式是:
;
④当
时,直线
与已知圆相切.
![](https://img.xkw.com/dksih/QBM/2023/9/25/3332494527201280/3455753020465152/STEM/5e5d3f2de55c4bf08fccac5abaa5b9dc.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434845564fd5765244f8d1aa9240fa39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a01027f31797b6965bf2e8b52ab53a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd76e6d65f760566a9ace9b0dc28168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
①点B的坐标是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2e3f843b444e3102443dac509b2b78.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c5361d3a779bf1f25234e675f91de1.png)
③S与t的函数关系式是:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfea501f686d8457ba958740e9923d4.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47244e29bcce31eea0f6292adf577add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://img.xkw.com/dksih/QBM/2023/9/25/3332494527201280/3455753020465152/STEM/5e5d3f2de55c4bf08fccac5abaa5b9dc.png?resizew=199)
A.②③ | B.②③④ | C.③④ | D.①②③④ |
更新时间:2024-03-19 00:06:16
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