1 . 如图所示,抛物线
的对称轴为
,现给出下面四条信息: ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
; ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
. 你认为其中正确的个数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc90b02a4cd1425aabfc192b1cdee17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ad96a0492c77ae833043352654a98b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09a64a91312339d5d41b234d3aa049f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d9cffa8042991675c2f9a2a90186ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9c39b3fef1f1ecbd31627cd9696429.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 二次函数
的图象如图所示,对称轴为直线
,下列结论:①
;②
;③
;④
;⑤
(m为任意实数),其中正确的个数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc90b02a4cd1425aabfc192b1cdee17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16de2d7f06346a0fc6b5d6822e746237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4630bb948780be53bc73d9ddef875000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd2336e50c0afb3e8e73a6ea9070ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810961de0c2c5174c5be32e8e5b4bf21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781a7b0d0128176f433492c414b0ef71.png)
A.2个 | B.3个 | C.4个 | D.5个 |
您最近一年使用:0次
名校
3 . 二次函数
的图象如图,其对称轴
,则下列结论中,错误的结论是:( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/619709cd-1fab-4369-876f-b10b81e26bba.png?resizew=111)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6337d68cd5653767e3a1889b8b2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1c84057882768f20a01365c81b6760.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/619709cd-1fab-4369-876f-b10b81e26bba.png?resizew=111)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知二次函数
的图象如图所示,给出四个结论:①
;②
;③
;④
;⑤
.其中正确的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/c6de6918-2e02-4042-8460-5750d3f30e23.png?resizew=121)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50b8c9d41649449d34d8a23f0b8cda66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0c865c1f8d424665e0f756aa600ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc20d351d51723c9b0a07a20ac14114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9c39b3fef1f1ecbd31627cd9696429.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/c6de6918-2e02-4042-8460-5750d3f30e23.png?resizew=121)
A.4个 | B.3个 | C.2个 | D.1个 |
您最近一年使用:0次
5 . 如图,二次函数
的图象与x轴的交点坐标为
和
.给出下列结论:①
;②
;③
;④当
时,
.其中正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6337d68cd5653767e3a1889b8b2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623afc24f2227004b0e1b3922dfb954b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa285de4d015f208441ffe9a84bbd780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e7ef804eeb23618fbf91ead47587f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b843858ba23012c724dea0c51d54a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/8407c770-2bee-45a5-a7a1-e7a89f4cfa9b.png?resizew=166)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
6 . 如图,二次函数
的图象与x轴交于
和原点.下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993769b494e12c21dff0ee7c53a4a49f.png)
A. ![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-03更新
|
134次组卷
|
3卷引用:重庆市铜梁区铜梁区巴川初级中学校2023-2024学年九年级上学期第一次月考数学试题
7 . 函数
与
的图象如图所示,有以下结论:①
;②
;③
;④当
时,
.其中正确的是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce4430b8b9b0c78de693513a7f88915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd56153d806f915e7f6075d39f1c6b30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637cdfcaa4a5f59d7a75bd86a5d4f906.png)
![](https://img.xkw.com/dksih/QBM/2024/1/23/3417301360386048/3419348300046336/STEM/8c4504fe7b63436d95272da2dbca23e4.png?resizew=115)
您最近一年使用:0次
8 . 已知二次函数
图象如图所示,对称轴为直线
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc90b02a4cd1425aabfc192b1cdee17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-29更新
|
112次组卷
|
3卷引用:重庆市江北区2023-2024学年九年级上学期期末数学试题
9 . 二次函数
的图象如图所示,其中正确的结论是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/9ba71a2c-be56-4243-907b-abfceaa8d177.png?resizew=123)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9bbb9dc83313c30217ca99e392f2142.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/9ba71a2c-be56-4243-907b-abfceaa8d177.png?resizew=123)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 二次函数
的图象如图所示,下列结论:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
为任意实数时,
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
;
若
,且
,则
.其中错误的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/5e4b59c4-f093-4ab9-a2db-2ca27b16f72c.png?resizew=123)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6337d68cd5653767e3a1889b8b2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77694c11ba40ec5c2fc4f6a05e31a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbbcf3f7721240b8d2161f8c66a0fcf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e551755d48c059760898baaa1b883625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da68ff94b0877adb96abbc3e0fa52d86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de7958890f35a4e42c700044a9c4c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4deee559d44a0d1c1016b2053539f2f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/419504736c4934f6e0df4114c3743944.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/5e4b59c4-f093-4ab9-a2db-2ca27b16f72c.png?resizew=123)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次