名校
1 . 两圆
和
的位置关系是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ecf7a6913d90c2df051d608011cc57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bac60c2278ea07755a7390b826a0092.png)
A.相离 | B.相交 | C.内切 | D.外切 |
您最近一年使用:0次
2019-09-14更新
|
829次组卷
|
4卷引用:北京市西城区北师大附中2018-2019学年高一下学期期末数学试题
北京市西城区北师大附中2018-2019学年高一下学期期末数学试题(已下线)2019年11月3日 《每日一题》一轮复习文数-每周一测湖南省长沙市明德中学2019-2020学年高一上学期期末数学试题福建省福州市八县(市)一中2021-2022学年高二上学期期中联考数学试题
2 . 在直角坐标系
中,已知圆
及其上一点
.
(Ⅰ)求
的最大值;
(Ⅱ)设
,点
在
轴上.若圆
上存在两点
和
,使得
,求点
的横坐标的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da92afd00481bff839de7627120e9cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c0700b92ddfc927f81fa96059d70e9.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ceec39aaaccbeaac9a4a5bdbb0f0e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/28f99392d682ec10422affeb2f5f6a11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
3 . 如图,在四棱锥
中,底面
是菱形,对角线
,
交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/69381191-8d9a-4f4e-9cb4-a56d9264cbdd.png?resizew=179)
(Ⅰ)若
,求证:
平面
;
(Ⅱ)若平面
平面
,求证:
;
(Ⅲ)在棱
上是否存在点
(异于点
),使得
平面
?说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/69381191-8d9a-4f4e-9cb4-a56d9264cbdd.png?resizew=179)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cd8ba7eb52e38857830162e770f534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(Ⅱ)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d0710321d97361e5782124bbf7f0c9.png)
(Ⅲ)在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2061b9ab3862d9c36d32c4ffef91145a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
您最近一年使用:0次
4 . 如图,在三棱锥
中,
,
.
,
分别是
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/b1eb1134-e4da-4098-966b-367354cf636f.png?resizew=170)
(Ⅰ)求证:
平面
;
(Ⅱ)求证:平面
平面
;
(Ⅲ)在图中作出点
在底面
的正投影,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c383691e8d740830a865b12d66f7633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/b1eb1134-e4da-4098-966b-367354cf636f.png?resizew=170)
(Ⅰ)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ddd78f3395581e3d31094fd78c9329b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(Ⅱ)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(Ⅲ)在图中作出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2019-07-11更新
|
3947次组卷
|
2卷引用:北京市西城区2018 -2019学年高一第二学期期末数学试题
名校
解题方法
5 . 圆心为
,且与直线
相切的圆的方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42498f6e0fc9a61c9857b70a87f02c5e.png)
您最近一年使用:0次
2019-07-11更新
|
1093次组卷
|
2卷引用:北京市西城区2018 -2019学年高一第二学期期末数学试题
名校
解题方法
6 . 设三棱锥
的三条侧棱两两垂直,且
,则三棱锥
的体积是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50094bfee564d9c1b03088ac2ece28c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
您最近一年使用:0次
2019-07-11更新
|
1397次组卷
|
4卷引用:北京市西城区2018 -2019学年高一第二学期期末数学试题
7 . 已知点
,
.若直线
上存在点
使得
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c8c934fb978c8840bed9680408977c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71fb572a6f07dcade5332bea766020f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc5aed3773c7e3f245a0ceea1e1dc0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3835e6398d18d162afebc92cd2ae9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-07-11更新
|
734次组卷
|
3卷引用:北京市西城区2018 -2019学年高一第二学期期末数学试题
北京市西城区2018 -2019学年高一第二学期期末数学试题(已下线)狂刷40 直线与方程-学易试题君之小题狂刷2020年高考数学(理)山东省枣庄市市中区市中区辅仁高级中学2023年高二上学期10月月考数学试题
8 . 对于任意实数
,直线
经过的定点坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
您最近一年使用:0次
名校
解题方法
9 . 圆柱的高是
,底面圆的半径是
,则圆柱的侧面积是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129d17c9a49272d44a0e70346414d12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9862c3f79df375b515dc9f707c763444.png)
您最近一年使用:0次
2019-07-11更新
|
706次组卷
|
4卷引用:北京市西城区2018 -2019学年高一第二学期期末数学试题
北京市西城区2018 -2019学年高一第二学期期末数学试题(已下线)2019年11月3日 《每日一题》必修2-每周一测湖南省长沙市明德中学2019-2020学年高一上学期期末数学试题北京市景山学校远洋分校2021-2022学年高二上学期第一次月考数学试题
名校
10 . 已知点
,点
在直线
上运动.当
最小时,点
的坐标是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a2b8b43e1fe82fc439d145e91b860c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8a3365e99f926b1dafa901ab232152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1db136407f98166ac66457c89903183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2019-07-11更新
|
1446次组卷
|
2卷引用:北京市西城区2018 -2019学年高一第二学期期末数学试题