1 . 已知一元二次方程
的两根
、
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b0b55c3297ce66c96d1559d76971f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3000d101d000defcd047c09772e68b14.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b43498cdea91037bd093c1100af4f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
3 . 把
分解因式的结果是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29e54ba76149d87d5891156e34b76ab.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
4 . 用公式法解方程
,正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da95b31f987cb51715118abd63443a5b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 用配方法解方程
,配方后可得( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d4f63e3c9135e38b58f42e21be0387.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知点
,
,
均在抛物线
上,下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5d57111dd825830d87e5a8ba28cf9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5e695fbbd1a4c076757c2172e9ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213632685641d1d75ce7e827db800b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68846e796086eeff26e70135fdff94fb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909aed03a34ab0e77ee7a405d77c9834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0bb465e4fbaa41f973c55af3edc016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 如图,四边形
内接于
,若它的一个外角
,则另一个外角
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/cac029b6-0a83-4c13-afd5-bd5ebfcea2ee.png?resizew=154)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca6d39feb95961fea2da9a34732d43e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c36ff76f9f1ee12db562cde7a58b8c3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/cac029b6-0a83-4c13-afd5-bd5ebfcea2ee.png?resizew=154)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 把一张圆形纸片按如图所示的方式折叠两次后展开,图中的虚线表示折痕,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/e7bcec8c-696d-4d11-af8e-23feeba13571.png?resizew=374)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41d321f4c0717ac5b443aad942d9a7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/e7bcec8c-696d-4d11-af8e-23feeba13571.png?resizew=374)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 如图,点
,
,
在
上,
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/4f37e537-d234-4d0b-8d11-8059de8a43e8.png?resizew=166)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76e5db2a70b50caca24af385f407f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/4f37e537-d234-4d0b-8d11-8059de8a43e8.png?resizew=166)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次