1 . 已知
或
.
(1)若
是
的充分条件,求实数
的取值范围;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/558723a72857184db7c8ba0d2c2fa840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87492cf46ac0260bef61414c8035134.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
2 . 已知两点
,
所在直线的斜率为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e23b74ed51912d236727c0ee5e3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ad0f94243a1600321c4b2b27c307de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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3 . 复数
在复平面内对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2828759d737961e3abf23294bd73793.png)
A.第一象限 | B.第二象限 |
C.第三象限 | D.第四象限 |
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4 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca31d722443aafe63d36132771c753c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7147daacbc2f8b2671af8a17e6d470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知
,
分别为双曲线
:
的左、右焦点,O为坐标原点,P是C右支上一点,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2345c4a372c8143281fbecca78f451b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b759611100b2fb7cfe2f1049a52e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2263269007c2a4f6548868924632f9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:青海省西宁市大通县2024届高三上学期期末数学(理)试题
6 . 在等差数列
中,
,则
的前15项和
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930acc00c7afd693ee54e547d5d3f8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bca8f26c7e2cf5c7c4eaf39b089ae52.png)
A.15 | B.45 | C.75 | D.105 |
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2卷引用:青海省西宁市大通县2024届高三上学期期末数学(理)试题
7 . 曲线
在
处的切线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938ff61757a67f266a910219fa0dd995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 下列区间中,函数
单调递增的区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081b5e6853e1cf26df9e3ef8be82aded.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2卷引用:青海省西宁市大通县2024届高三上学期期末数学(理)试题
解题方法
9 . 已知
是定义在
上的奇函数,且
,当
时,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac87434324956e4145e38ad92a1aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9119a5c8562762636d6522a86561b472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad05719025457903d1b5d5c7b99f97f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7aded4562a35de00bd4d49f36a6185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e65478183e327f1068a24d78e32421.png)
A.3 | B.0 | C.![]() | D.![]() |
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2卷引用:青海省西宁市大通县2024届高三上学期期末数学(理)试题
解题方法
10 . 在直角坐标系
中,曲线C的参数方程为
(a为参数),直线
的参数方程为
(t为参数).
(1)求C和
的直角坐标方程;
(2)若曲线C截直线
所得线段的中点坐标为
,求
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4590b86be57e1cddadab04f38c585621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1c85043ab723ec0e7a8655597c36b8.png)
(1)求C和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若曲线C截直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2828feafa861942ce3b395c066eb94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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