已知
,
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d75baa74dcd1ff3d75b57f37e6e8ce.png)
,则k=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e291eba6adbc5ec6e1497a36f406454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e61832fc242af9fea5a164b1af3331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d75baa74dcd1ff3d75b57f37e6e8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7036ceb6cf9da9e9935e6a0f720cd954.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-03-25 17:37:15
|
【知识点】 由向量共线(平行)求参数解读
相似题推荐
单选题
|
适中
(0.65)
【推荐1】已知抛物线
的焦点为
,准线为
,
是
上一点,
是直线
与抛物线
的一个交点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eeb855b90be5b671c0d6639d52d3e1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d24e39a792a72e0851a8e74e7bb7ea53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eeb855b90be5b671c0d6639d52d3e1f.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐2】已知向量
,
,
,若
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff0812ea92afd60233426521798f5ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6761671da84d62ef7257cd5461dc3ae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb391204ca4ab9299e0545ed12817cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b7813d2a3a96b5f356d97ec6471a22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.-8 | B.-6 | C.-1 | D.6 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐3】已知两点
,
,且
在线段AB上,若
,则点
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1e95fb519f59c46f40e4ab44660073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd58ef950ddec3eb3ebf8e64f6228ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f923acf4616d3568f7e1e02d7a356dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次