如图,在平面直角坐标系中,直线
(
为常数)与抛物线
交于
,
两点,且点
在
轴左侧,点
的坐标为
,连接
,
.下列结论错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477ca7ca75308f54b9ac1ab73e906d98.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/997330ef7cc86ce8d032b85b3b8e2576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
A.直线![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() |
D.![]() ![]() |
23-24九年级下·安徽阜阳·期中 查看更多[3]
更新时间:2024-05-13 10:30:28
|
相似题推荐
单选题
|
困难
(0.15)
【推荐1】如图,已知点A(1,4),点B(3,5),在y轴上取一点C,连接AC,将线段AC绕点C顺时针旋转90°到CD,连接AD,BD,则AD+BD的最小值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/6/fd5563c6-71eb-4c81-9016-407f0be52214.png?resizew=163)
A.2![]() | B.3![]() | C.4![]() | D.5 |
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【推荐2】如图,点
是菱形
内一点,
轴,
轴,
,
,
,若一次函数
的图象经过
、
两点,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f17a3fa4036efe1d4c35c14e57952e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602f64f0c8a0fa105d583d698d0af3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a384ae8c7e095d996e83f338abeec21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48208a3f67fd590d973badcc742d4b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7920511e1b51b55715f700860004d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08483ba4f9a5d349eb9997d1dec67f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ececd20089801c2228b63367418703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
单选题
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【推荐1】如图,正方形
中,E为边
上一点,连接
,
,垂足为点G,交
于点F,点E、H关于
对称,延长
交边
于点M.以下结论:①
;②
;③
;④
的最大值为
.正确的结论个数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/22f38d63-7a0f-43a4-a226-ecf45fa259f8.png?resizew=149)
![](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/e6e490f703eb6c9bb1278c78ebc2d661.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e46fb91464159b80eab7c28a926b4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94d94cbc03096adb9b153564d804cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6af60cca3cb01a0404905d5cdb2649c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2441d586c5897e3cb4206ed44add7fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34e01955f8c8fe2f0041b35d8d602a7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/22f38d63-7a0f-43a4-a226-ecf45fa259f8.png?resizew=149)
A.1 | B.2 | C.3 | D.4 |
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【推荐2】如图,在矩形ABCD中,
,P是对角线AC上的动点,连接DP,将直线DP绕点P顺时针旋转,使旋转角等于
,且
,即
.连接CG,则CG最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b124087e8e0f003f15224ecc3c983228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f7499796636e2006958b969c020a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f5687d60fbbe1c356f1174b4a0d07e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次