1 . 直线l过抛物线y2=4x的焦点,与抛物线交于A,B两点,若|AB|=8,求直线l的方程.
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2 . 已知点
在抛物线
上,该抛物线的焦点为
过点
作直线
的垂线,垂足为M,则∠MAF的平分线所在直线的方程为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f5d5c15db5be0ead8a86471573f1bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72cabe46c279896f8b3e9954c7ad16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d48bd4417f91bc27746e96ea7ac1528.png)
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3 . 抛物线
的准线与双曲线
的两条渐近线所围成的三角形的面积等于
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572610314534912/1572610320465920/STEM/3ef57691ad2249feb2537843f73c9467.png)
![](https://img.xkw.com/dksih/QBM/2016/4/29/1572610314534912/1572610320465920/STEM/998e0a846cf14aac9180fadd40b3a640.png)
A.![]() | B.![]() | C.2 | D.![]() |
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12-13高二上·吉林·期末
4 . 抛物线
上与焦点的距离等于
的点的纵坐标是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://img.xkw.com/dksih/QBM/2012/3/12/1570797626007552/1570797631234048/STEM/27d338dc88134b0cbd402f0f6864603a.png)
A.1 | B.2 | C.3 | D.4 |
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5 . 在平面直角坐标系
中,已知中心在坐标原点的双曲线
经过点
,且它的右焦点
与抛物线
的焦点相同,则该双曲线的标准方程为______________ .
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572443519664128/1572443525070848/STEM/025db0c3d0fe421d91e914c90eff8611.png?resizew=28)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572443519664128/1572443525070848/STEM/78af8d353bda49d683edbdb504ff36b3.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572443519664128/1572443525070848/STEM/02cc7c4d0ad344048195c0922f0208e6.png?resizew=31)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572443519664128/1572443525070848/STEM/a0f8d548fe4e40048840cc0695974447.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2016/1/19/1572443519664128/1572443525070848/STEM/2be884c3378c44b5a1fb41e96e13fafb.png?resizew=53)
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12-13高二上·吉林·期末
6 . 抛物线
的焦点到准线的距离是 ____________
![](https://img.xkw.com/dksih/QBM/2012/3/12/1570797790191616/1570797795606528/STEM/71c3e4eb7028444e82b41f9e5ead4ad7.png?resizew=63)
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7 . 设
为抛物线
上一点,
为抛物线
的焦点,以
为圆心,
为半径的圆和抛物线的准线相交于不同的两点,则
取值范围是.
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571975283089408/1571975288422400/STEM/a2543ee9628740df99e434e27e757737.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571975283089408/1571975288422400/STEM/79406f7d05884e8389da7b951e1eb3ce.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571975283089408/1571975288422400/STEM/a14fe4b4e25a464983a2c70ca518729b.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571975283089408/1571975288422400/STEM/4b7c0fd7045a460ebede6d7e4bba6403.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571975283089408/1571975288422400/STEM/a14fe4b4e25a464983a2c70ca518729b.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571975283089408/1571975288422400/STEM/b51de6ef82a34ca6931417bf550c55fe.png)
![](https://img.xkw.com/dksih/QBM/2015/2/4/1571975283089408/1571975288422400/STEM/2ec73ed0c4514de8a2b25125625314be.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-03更新
|
270次组卷
|
3卷引用:2014-2015学年吉林省松原扶余一中高二上学期期末考试理科数学试卷
12-13高二上·吉林长春·期末
8 . 抛物线y2=2x上点A、B到焦点的距离之和为5,AB中点为M,则M点到y轴的距离为( )
A.5 |
B.![]() |
C.2 |
D.![]() |
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9 . 抛物线
的准线方程是
![](https://img.xkw.com/dksih/QBM/2016/3/17/1572543167152128/1572543172304896/STEM/12745366b7524df8889972a4fba648e0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 抛物线
的准线方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7b18a07192da876b4397c9cdff502e.png)
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