已知抛物线
经过
和
两点,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5be3c0c8f78329ab56a9bf71ac0b238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb891a45cd3ed3ea698004e2daffb9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adc1d8e6b0f9fb127d4402eeb3b752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
更新时间:2020-02-23 16:32:50
|
相似题推荐
填空题
|
适中
(0.65)
名校
【推荐2】抛物线y=2(x+2)2-3的图象关于直线________ 对称。
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】在平面直角坐标系中,点
和
在函数
的图象上,若
,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae4a1a129daef1f2d7ef3f75f2986e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532bd0bad965c65da450e7aac839e1e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582f4466f8fd4c2998e1c9095db1b5d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7961cbe98aac6a5fdee94582c341b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】下列四个结论:
①若函数
,当
时,y的最大值为0;
②已知实数x满足
,那么
的值为5或
;
③若抛物线
与直线
相交于A、B两点,则
;
④如图,正方形四个顶点的坐标依次为
.若抛物线
的图象与正方形的边有公共点,则实数a的取值范围是
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/88abca10-ab14-4efe-abf8-4ec756b7a4ce.png?resizew=194)
正确的为___________ (填序号)
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ee07ef9b44ee997d16671f354c3bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a12a30935c79ae769818043a496f53.png)
②已知实数x满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3706e77c51879be540cc2c6a4331b7fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e68a435e4f4c481f3c556dcce6735b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
③若抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ee07ef9b44ee997d16671f354c3bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047fd917231349bdc97a062159eb8f4e.png)
④如图,正方形四个顶点的坐标依次为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0c559b1b320bb161dda79cf5f139f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf210c8c9e83e70f2d3ede1e18a5f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ce6ff6adeb54104bf2e923d14d7547.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/88abca10-ab14-4efe-abf8-4ec756b7a4ce.png?resizew=194)
正确的为
您最近一年使用:0次