平面直角坐标系
中,抛物线
先向右平移
个单位长度,再向上平移
个单位长度,得到新的抛物线
,其顶点为A,
,
相交于点B,过点A作
轴于点C,连接
交
于点D.
(2)如图,求
面积与
面积的比值;
(3)在y轴上有两点
,
,过点E作x轴的平行线交直线
于点F,以
,
为邻边作矩形
,直线
分别交抛物线
,
于点P,Q.若抛物线C在矩形
内部(不含边界)的部分对应的函数值y随x的增大而增大,且抛物线
,在矩形
内部(不含边界)的部分对应的函数值y随x的增大而减小,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353f46589976afd1ddc8e64d287bc4ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec85f29c0860b57a8f0cf8098c13a97e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d297eab7380f6a28ec010218d9ab4ba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2241bd71e0c20867029e489f9ba655d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
(2)如图,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7189182cc23d759be2764d141952737b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4807ca16360c0cca436e59d4be98f626.png)
(3)在y轴上有两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50778a0e701fa19c15e59829b5f3243c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e722ebf5191818b9c8d79b3912f935d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff2693fab4922833425c8daa73e1ef4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff2693fab4922833425c8daa73e1ef4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff2693fab4922833425c8daa73e1ef4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
2023·辽宁大连·二模 查看更多[3]
更新时间:2024-03-15 23:52:13
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相似题推荐
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真题
【推荐1】已知
是抛物
(b为常数)上的两点,当
时,总有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292c47f62023b747f1a4bd615c75284.png)
(1)求b的值;
(2)将抛物线
平移后得到抛物线
.
探究下列问题:
①若抛物线
与抛物线
有一个交点,求m的取值范围;
②设抛物线
与x轴交于A,B两点,与y轴交于点C,抛物线
的顶点为点E,
外接圆的圆心为点F,如果对抛物线
上的任意一点P,在抛物线
上总存在一点Q,使得点P、Q的纵坐标相等.求
长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6037359d2727b05ee33db9e2c36226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316afd3d39cbfbf483c678f9c1bbfb81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2e41c64ac5508a9ba27b697122d6d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292c47f62023b747f1a4bd615c75284.png)
(1)求b的值;
(2)将抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54451419e28a1130c1c5c20fd6cc166d.png)
探究下列问题:
①若抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
②设抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5bfa05232c26797f61d439b6d42ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
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【推荐2】如图,在平面直角坐标系中,抛物线
分别与y轴、x轴正半轴于A、B两点.
的函数表达式;
(2)如图1,将抛物线
沿它的对称轴向下平移,使得平移后的抛物线顶点刚好落在直线
上,求平移后抛物线
的函数表达式;
(3)如图2,点
的坐标为
,点
是抛物线
上一点,过点
作
轴的垂线,交抛物线
于点
,在平面中找一点
,使得以
、
、
、
为顶点的四边形是菱形,请直接写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff8f1e1ee95a967d0660dd209ace49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)如图1,将抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
(3)如图2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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【推荐3】如图,函数
的图象过原点,将其沿y轴翻折,得到函数
的图象,把函数
与
的图象合并后称为函数L的图象.
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987792840523776/2988470313115648/STEM/ae889ee0-76a8-4aee-a5f9-f0bff041e127.png?resizew=302)
(1)a的值为________;函数
的解析式为__________(注明x的取值范围);对于函数L,当函数值y随x的增大而增大时,x的取值范围是__________;
(2)当直线
与函数L的图象有4个交点时,求b的取值范围.
(3)坐标系中有一个正方形
,其中
,将函数L的图象沿y轴的正方向平移m个单位,直接 写出当其与正方形的
边有公共点时m的最大值与最小值的差.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39c844eb77b9c1383b4bdd4c22c4c580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987792840523776/2988470313115648/STEM/ae889ee0-76a8-4aee-a5f9-f0bff041e127.png?resizew=302)
(1)a的值为________;函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
(2)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
(3)坐标系中有一个正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0270c99b150f0d1439743714d53f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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【推荐1】如图,已知抛物线
与x轴交于A,B两点,与y轴交于点C,点B的坐标为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c3a2f5b0702ea9fbb9dc8904579737.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/30/f5cd7677-4e64-4a9d-9abc-c686bbe148d3.png?resizew=294)
(1)求抛物线的解析式;
(2)如图,点M是抛物线对称轴l上的一个动点,当
的值最小时,求点M的坐标;
(3)若点P是x轴上方抛物线上的动点,过点P作直线
轴,交x轴于点N,交直线
于点M,设点P的横坐标为t,当
时,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52387621283198eb16bea9c41fee46ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c3a2f5b0702ea9fbb9dc8904579737.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/30/f5cd7677-4e64-4a9d-9abc-c686bbe148d3.png?resizew=294)
(1)求抛物线的解析式;
(2)如图,点M是抛物线对称轴l上的一个动点,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd50f7b773530824a9b69a1d57073f0.png)
(3)若点P是x轴上方抛物线上的动点,过点P作直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf20f734ac54ab0eec2e1c170a3a24f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e623899aadf0df68a00a84939a2c88.png)
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【推荐2】如图,抛物线L1:y=ax2﹣2x+c(a≠0)与x轴交于A、B(3,0)两点,与y轴交于点C(0,﹣3),抛物线的顶点为D.抛物线L2与L1关于x轴对称.
![](https://img.xkw.com/dksih/QBM/2022/4/16/2959524211097600/2961699271868416/STEM/4972194f-3044-4cea-bf79-3bcb4b912aea.png?resizew=273)
(1)求抛物线L1与L2的函数表达式;
(2)已知点E是抛物线L2的顶点,点M是抛物线L2上的动点,且位于其对称轴的右侧,过M向其对称轴作垂线交对称轴于P,是否存在这样的点M,使得以P、M、E为顶点的三角形与△BCD相似,若存在请求出点M的坐标,若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2022/4/16/2959524211097600/2961699271868416/STEM/4972194f-3044-4cea-bf79-3bcb4b912aea.png?resizew=273)
(1)求抛物线L1与L2的函数表达式;
(2)已知点E是抛物线L2的顶点,点M是抛物线L2上的动点,且位于其对称轴的右侧,过M向其对称轴作垂线交对称轴于P,是否存在这样的点M,使得以P、M、E为顶点的三角形与△BCD相似,若存在请求出点M的坐标,若不存在,请说明理由.
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【推荐3】【阅读理解】函数过定点的含义就是:不管参数(即待定系数)取什么值,函数都过的这个点就是定点;如函数经过定点
,因为无论
取什么值,函数一定经过点
,因此函数经过的定点就是
;
因此,我们可以把函数过定点的问题转化为与参数无关的问题进行解决.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/29/115de7f1-47f0-4a55-b824-5c3da93b3155.png?resizew=360)
【尝试运用】(1)二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84611addaf2ba33d3c665b22b6c06847.png)
(2)试说明抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e33a341d941995c6e242d9339034a80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
【思维拓展】
(3)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.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/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b9c23e783011badd56c0da71ae8225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079d72bc517b70b6381e41950b33566b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627026bcc48e88384717f3d2fea54582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbbf3e159df774401f2a3886c8740f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ef478da46747024ea189aac2a1adc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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【推荐1】如图,点A从坐标原点出发,沿x轴的正方向运动,点B坐标为
,M是线段AB的中点,将点M绕点A顺时针方向旋转90°得到点C,过点C作x轴的垂线,垂足为F,过点B作y轴的垂线与直线CF相交于点E,连接AC,BC,设点A的横坐标为t.
(1)当点C与点E恰好重合时,求t的值;
(2)当t为何值时,BC取得最小值;
(3)设△BCE的面积为S,当S=6时,求t的值.![](https://img.xkw.com/dksih/QBM/2017/6/5/1702491182456832/1703202704449536/STEM/d3b7099b446c4ebf96b0cb4ad5465097.png?resizew=1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1156a8b29780810bd472f6d9e11b0e39.png)
(1)当点C与点E恰好重合时,求t的值;
(2)当t为何值时,BC取得最小值;
(3)设△BCE的面积为S,当S=6时,求t的值.
![](https://img.xkw.com/dksih/QBM/2017/6/5/1702491182456832/1703202704449536/STEM/d3b7099b446c4ebf96b0cb4ad5465097.png?resizew=1)
![](https://img.xkw.com/dksih/QBM/2017/6/5/1702491182456832/1703202704449536/STEM/9a95fbb9df414a50890b313b071a3c35.png?resizew=247)
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【推荐2】在平面直角坐标系xOy中,抛物线
与x轴交于A,B两点,与y轴交于点C,连结CA和CB.若射线CO,CA,CB中的一条平分另两条组成的角,则称该抛物线为“倍角抛物线”.
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932718045454336/3062587069612032/STEM/28cadd1aa55a4bd4afe87bbfeebf7c3a.png?resizew=234)
(1)求证:抛物线y=a
+c(ac≠0)是倍角抛物线;
(2)如图,已知抛物线
是倍角抛物线,点A(3,0),B(8,0),将△ABC沿着直线AC翻折,得到△ADC.
①求该抛物线的解析式;
②点E为抛物线对称轴上的一个动点,连结AE,AC.是否存在这样的点E,使得tan∠CEA=
?若存在,直接写出点E的坐标;若不存在,请说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8352b2e643a7ce605334f1b0e572bfb0.png)
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932718045454336/3062587069612032/STEM/28cadd1aa55a4bd4afe87bbfeebf7c3a.png?resizew=234)
(1)求证:抛物线y=a
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
(2)如图,已知抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8352b2e643a7ce605334f1b0e572bfb0.png)
①求该抛物线的解析式;
②点E为抛物线对称轴上的一个动点,连结AE,AC.是否存在这样的点E,使得tan∠CEA=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
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【推荐1】如图,已知抛物线
与x轴交于点
、
两点,顶点为P,与y轴交于点C,且
的面积为6.
(2)平移这条抛物线,平移后的抛物线交y轴于点E,顶点Q在原抛物线上,当四边形
是平行四边形时,求平移后抛物线的表达式;
(3)若过定点
的直线交抛物线于M,N两点(N点在M点右侧),过N点的直线
与抛物线交于点G,求证:直线
必过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd6f19465d6f57db82b29b9017a2f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d57173ef4cd72eb270686875dfd623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f36488f7dff759ace2a27e56c3857056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)平移这条抛物线,平移后的抛物线交y轴于点E,顶点Q在原抛物线上,当四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b901190ec1f945c0e8d69b203ca153b9.png)
(3)若过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ade726e7ee66146b1b17720cd5c3bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13653a89d3a38346e1ddf4fd1602f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c015d99f2677951bdcd0447240ef93.png)
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【推荐2】若抛物线
上有两点
,
关于原点对称,则称抛物线
为“完美抛物线”,点
,
称为抛物线
上“完美点”.
(1)抛物线
是不是“完美抛物线”?若是,请求出“完美点”的坐标;若不是,请说明理由;
(2)若抛物线
是“完美抛物线”,点
,
是抛物线
上“完美点”,且抛物线
与
轴的交点为
,与
轴的交点为
,当
时,求直线
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.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/a90385c676848de67293e3ed6bc000fe.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/a90385c676848de67293e3ed6bc000fe.png)
(1)抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3ce5b966023a7ff6d9ed0cae368b75.png)
(2)若抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.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/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9a37ae960ee7d772c98c84c3ad8cef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf8dc7b8487dfc2d6e4ef34837aad38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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解题方法
【推荐3】我们不妨约定:在平面直角坐标系中,若某函数图象上至少存在不同的两点关于
轴对称,则把该函数称之为“T函数”,其图象上关于
轴对称的不同两点叫做一对“T点”.根据该约定,完成下列各题.
(1)若点
与点
是关于
的“T函数”
的图象上的一对“T点”,则
______,
______,
______(将正确答案填在相应的横线上);
(2)关于
的函数
(
,
是常数)是“T函数”吗?如果是,指出它有多少对“T点”;如果不是,请说明理由;
(3)若关于
的“T函数”
(
,且
,
,
是常数)经过坐标原点
,且与直线
(
,
,且
,
是常数)交于
,
两点,当
,
满足
时,直线
是否总经过某一定点?若经过某一定点,求出该定点的坐标;否则,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b93b9ce0335dbfcc5b363b410b7086e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e47dd8c389c46f61dac9688354809e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429d8bced53bab31d4f0576a9e954698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c7e7449010436e00dce3b6924a4258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
(2)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5474ec60ffe8f9f6151ffe062fd7ab25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7d436bb96d03f111de6850cf2c7965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.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/1e3aeb9541fcf2a276bc028d67851009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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