如图抛物线
与直线
相交于点A,B,与y轴交于点
,若
为直角,则当
时自变量x的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3666050060fb25232784bb8ed3545ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d0aa9412dd7caf42cc71520e282328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/114460aab294eb99eec63e94b675216f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/24/a7d13bec-b0de-4261-bc7d-54db62e10c01.png?resizew=163)
22-23九年级上·广西防城港·期末 查看更多[2]
更新时间:2023-03-19 18:56:47
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【推荐1】已知抛物线
与x轴交于A、B(A在B左侧)两点,且对称轴为
,则(1)m的值为________ ;(2)当
时,x的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0598d2771458af4ca7d95281e3b328d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
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【推荐2】如图,二次函数
的图象与直线
交点坐标为
,
,则不等式
的解集是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0481d24e2af1e0cd348732b9444d1dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636a7f3bf10b53f18db5868471c59a73.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/0963ec60-a10a-4694-be52-545cbe986b97.png?resizew=294)
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【推荐1】已知二次函数
的图象经过点
.
(1)此函数图象的对称轴是直线________ ;
(2)若
的顶点坐标分别为
、
、
,且此函数图象与
只有两个交点,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad97284da351a44c36c11d5cec429a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd69ba83f08f1b87fd53670527c65198.png)
(1)此函数图象的对称轴是直线
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbec9be35b54843d8802f264579b9153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd19fe89f0db379ac2442cdb40b34ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fce944e30f49291d812e1a635ae0a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】(1)将抛物线
向右平移2个单位,得到抛物线
的图象,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54e384a072508d4754e0f1636f8f66.png)
_______________ ;
(2)如图,
是抛物线
对称轴上的一个动点,直线
平行于y轴,分别与直线
、抛物线
交于点
、
.若
是以点
或点
为直角顶点的等腰直角三角形,求满足条件的
的值,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c084dc62a6c09bcccc424c48e1b0e0a.png)
_____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ef755cd358248adb4dfd372969bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54e384a072508d4754e0f1636f8f66.png)
(2)如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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![](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/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c084dc62a6c09bcccc424c48e1b0e0a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/31/8a677a9c-ae00-4bf4-b274-97b3cb4d0461.png?resizew=155)
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