江西鹰潭市余江区第一中学2026-2027学年高二上学期11月期中数学试题

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余江一中高二期中考试数学试卷

一、选择题:本题共8小题,每小题5分,共40分.在每小题给出的四个选项中,只有一项是符合题目要求的.

1.直线的一个方向向量为,且过点,则直线的方程为(    )

A.  B.

C.  D.

2.双曲线()的一条渐近线方程为,则该双曲线的离心率为(    )

A. B. C. D.

3.若方程表示焦点在轴上的椭圆,则实数的取值范围是(    )

A.  B.

C.  D.

4.已知直线和直线,则“”是“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”的(    )条件

A.充分不必要  B.必要不充分

C.充分必要  D.既不充分也不必要

5.已知抛物线,过点作直线,使与抛物线有且只有一个公共点,则满足上述条件的直线共有(    )

A.0条 B.1条 C.2条 D.3条

6.过点作圆的弦,其中弦长为整数的直线共有(    )

A.16条 B.17条 C.32条 D.34条

7.点为椭圆()的左、右焦点,为的上顶点,过点的直线与交于两点,的短轴长为6.若直线垂直平分线段,则的周长为(    )page number 0

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A.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 B.10 C.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 D.

8.已知双曲线的左右焦点分别为,,过的直线与的左支交于、两点,,则的离心率为(    )

A.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 B.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 C.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 D.

二、多选题:本题共3小题,每小题6分,共18分,在每小题给出的选项中,有多项符合题目要求.全部选对的得6分,部分选对的得部分分,有选错的得0分.

9.下列说法中,正确的有(    )

A.过点且在轴、轴截距相等的直线方程为

B.直线在轴的截距是2

C.已知直线的两点式方程为,则的斜率为

D.过点且倾斜角为的直线方程为

10.已知抛物线的焦点为,过的直线与交于,两点,,为坐标原点,则(    )

A.的准线方程为

B.

C.的最小值为2

D.的面积的最小值为2

11.如图,类似“心形”的曲线,可以看成由上部分曲线和下部分曲线(,)构成,曲线的一个焦点为,是“心形”曲线上的动点,则下列说法正确的是(    )page number 1

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A.曲线的方程为()

B.的最大值为

C.若直线与曲线只有1个交点,则实数的最小值为

D.曲线上的点到直线的距离的最小值是

三、填空题:本题共3小题,每小题5分,共15分.

12.已知抛物线经过点,则的准线方程是__________.

13.点关于直线的对称点为,则的坐标为__________.

14.已知是抛物线上一点,,是圆上的两点,则的最大值为__________.

四、解答题:本题共5小题,共77分.解答应写出文字说明、证明过程或演算步骤.

15.在平面直角坐标系中,三个顶点坐标分别为,,.

(1)设线段的中点为,求中线所在直线的方程.

(2)求边上的高所在直线的方程.

(3)求的面积.

16.已知点,为坐标原点,圆.

(1)当时,已知圆和圆相交于,两点,求线段的长度;

(2)若圆上存在点使得,求实数的取值范围.

17.已知坐标平面内一动点到定点的距离等于到定直线的距离.

(1)求动点的轨迹的方程;page number 2

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