题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082446-27003.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082446-53801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082446-27003.png)
故选A.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082438-40945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082438-71844.png)
小题1:(1)若点
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082439-80147.png)
①求
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082439-34786.png)
②若
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082439-99977.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082439-12891.png)
小题2:(2)设此抛物线与
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082438-71844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082439-44914.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082440-79332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082440-85300.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082440-90233.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082439-34786.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082426-71719.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082426-76439.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082426-71719.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082426-16506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082427-83028.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082427-43836.jpg)
小题1:(1)求此抛物线的解析式,并写出自变量的取值范围;
小题2:(2)如果限定
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082427-99008.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082427-11283.png)
小题3:(3)若设
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082427-31678.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082427-83028.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082428-61173.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082428-10350.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082428-10350.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082413-64249.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-48772.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-71528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-54638.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-33421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-92151.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-23657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-26743.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-59829.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-40296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-71612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-59829.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-40296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-44779.png)
小题1:(1)求边
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-94549.png)
小题2:(2)将
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-79215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-36006.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-33421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-65498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-26743.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-71612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-79215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-33421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-99272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-99272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082416-93962.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082416-75612.png)
小题3:(3)在(2)的基础上,当
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-79215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082416-82631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082416-93962.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082415-79215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082416-50088.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082416-93846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082416-93846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082414-33421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082402-99211.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082402-99211.png)
小题1:(1)将△EFP沿直线
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082402-99211.png)
小题2:(2)将△EFP沿
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082402-25981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082402-99211.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082403-17275.png)
小题3:(3)若AC=BC=4,设△EFP平移的距离为x,当0≤x≤8时,△EFP与△ABC重叠部分的面积为S,请写出S与x之间的函数关系式,并求出最大值.
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082403-60485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191019/20191019082358-84068.png)
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