如图,在平面直角坐标系中,线段
的端点坐标为
,
,直线
与线段
有交点,则
的值不可能是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/23/e6f737a1-a6a8-4769-a900-7260cf3a6bf3.png?resizew=167)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a57d5067112e7300e3197b7d79ab55d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/977727a7e34bb42395dd3dcbf8603e16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231896d2386c924306fce5ccf9f9e8a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/23/e6f737a1-a6a8-4769-a900-7260cf3a6bf3.png?resizew=167)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2018-01-18 19:10:46
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【推荐1】一次函数
满足
,且
随
的增大而减小,则此函数的图象不经过( )
![](https://img.xkw.com/dksih/QBM/2017/8/1/1773761344479232/1773761344602112/STEM/42edb82fd62d4ce0bc812cc9d2a29f38.png)
![](https://img.xkw.com/dksih/QBM/2017/8/1/1773761344479232/1773761344602112/STEM/e999a6f44334440e859f315bfe498822.png)
![](https://img.xkw.com/dksih/QBM/2017/8/1/1773761344479232/1773761344602112/STEM/42cdea9054694ba2981489d5de1affbc.png)
![](https://img.xkw.com/dksih/QBM/2017/8/1/1773761344479232/1773761344602112/STEM/f9a57d2ffc5f4c3a8f295be5c0961505.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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【推荐2】一次函数
的图象经过点
和
,其中
,则k,b的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59bdeeea8ca6f2c5c49e4ed8b5338d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6231056c30a716f03f90aa3e2eed1cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e34f42b3be15518c29e3689c9fe6d6d.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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【推荐1】在平面直角坐标系
中,若函数图象上任意两点
,
均满足
.下列四个函数图象中,
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710113654743040/2710178298150912/STEM/e112c073-8444-4396-a24f-51b559d14b96.png)
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710113654743040/2710178298150912/STEM/6fb25b42-6245-4f00-aff9-554e1af7d140.png)
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710113654743040/2710178298150912/STEM/a1214ede-0419-4572-9493-9c2217a0cef0.png)
所有正确的函数图象的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28567f5fd72cd79a5a0b383a7ede51ec.png)
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710113654743040/2710178298150912/STEM/e112c073-8444-4396-a24f-51b559d14b96.png)
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710113654743040/2710178298150912/STEM/6fb25b42-6245-4f00-aff9-554e1af7d140.png)
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710113654743040/2710178298150912/STEM/a1214ede-0419-4572-9493-9c2217a0cef0.png)
所有正确的函数图象的序号是( )
A.①② | B.③④ | C.①③ | D.②④ |
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【推荐2】如果一次函数y=kx+b(k、b是常数,k≠0)的图象经过第一、二象限,并y随x的增大而减小,那么k、b应满足的条件是( )
A.k>0且b>0 | B.k>0且b<0 | C.k<0且b>0 | D.k<0且b<0 |
您最近一年使用:0次