1/5单选题
难度：
1.反比例函数
的图象如图所示，则k的值可能是（ ）
的图象如图所示，则k的值可能是（ ） | A | -1 |
| B |  |
| C | 1 |
| D | 2 |
- 提示1：
- IOWPjeavlOS+i+WHveaVsOWbvuixoeWcqOesrOS4gOixoemZkO+8jOavlOS+i+ezu+aVsOWkp+S6jjA=
- 提示2：
- IOavlOS+i+ezu+aVsOetieS6juWcqOWug+S4iumdoueahOeCueeahOaoque6teWdkOagh+eahOenrw==
- 提示3：
- IOWHveaVsOaJgOWcqOixoemZkOWSjOWPjeavlOS+i+WHveaVsOS4iueahOeCueeahOaoque6teWdkOagh+eahOenr+Wwj+S6jjE=
正确答案：Qg==
PGRpdj7op6PvvJriiLXlj43mr5Tkvovlh73mlbDlnKjnrKzkuIDosaHpmZDvvIw8L2Rpdj48ZGl2PuKItGvvvJ4w77yMPC9kaXY+PGRpdj7iiLXlvZPlm77osaHkuIrnmoTngrnnmoTmqKrlnZDmoIfkuLox5pe277yM57q15Z2Q5qCH5bCP5LqOMe+8jDwvZGl2PjxkaXY+4oi0a++8nDHvvIw8L2Rpdj48ZGl2PuaVhemAiUIuIDwvZGl2Pg==
2/5单选题
难度：
2.
如图，P（x，y）是反比例函数y= 
的图象在第一象限分支上的一个动点，PA⊥x轴于点A，PB⊥y轴于点B，随着自变量x的增大，矩形OAPB的面积（ ）
| A | 不变 |
| B | 增大 |
| C | 减小 |
| D | 无法确定 |
- 提示1：
- PHA+6L+H5Y+M5puy57q/5LiK5Lu75oSP5LiA54K55LiO5Y6f54K55omA6L+e55qE57q/5q6144CB5Z2Q5qCH6L2044CB5ZCR5Z2Q5qCH6L205L2c5Z6C57q/5omA5Zu05oiQ55qE55u06KeS5LiJ6KeS5b2i6Z2i56evPGk+UzwvaT7mmK/kuKrlrprlgLw8L3A+
正确答案：QQ==
PGRpdj7op6PvvJrkvp3popjmhI/mnInnn6nlvaI8aT5PQVBCPC9pPueahOmdouenrz0yw5c8aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDEvRTkvckJBQ0ZGTU5Zd3lDMUxybEFBQUJWSFNmXzhvNDE2LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMS9FOS9yQkFDRkZNTll3eUMxTHJsQUFBQlZIU2ZfOG80MTYucG5nIiBib3JkZXI9IjAiIGhlaWdodD0iNDIiIHdpZHRoPSIxNyI+fDxpPms8L2k+fD0z77yM5omA5Lul6ZqP552APGk+eDwvaT7nmoTpgJDmuJDlop7lpKfvvIznn6nlvaI8aT5PQVBCPC9pPueahOmdouenr+WwhuS4jeWPmC4g5pWF6YCJPGk+QTwvaT4uPC9kaXY+
3/5单选题
难度：
3.
反比例函数
与
在第一象限的图象如图所示，作一条平行于x轴的直线分别交双曲线于A、B两点，连接OA、OB，则ΔAOB的面积为（ ）
| A |
|
| B | 2 |
| C | 3 |
| D | 1 |
- 提示1：
- 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
- 提示2：
- PHA+6L+Z5LiA54K55ZKM5Z6C6Laz5Lul5Y+K5Z2Q5qCH5Y6f54K55omA5p6E5oiQ55qE5LiJ6KeS5b2i55qE6Z2i56ev5pivPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzI0L0RBL3JCQUNFMU1OWXhqVG5BeWRBQUFCd2pralAxNDYxMi5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjQvREEvckJBQ0UxTU5ZeGpUbkF5ZEFBQUJ3amtqUDE0NjEyLnBuZyIgYm9yZGVyPSIwIiBoZWlnaHQ9IjQ1IiB3aWR0aD0iMjIiPjwvcD4=
- 提示3：
- PHA+5rGC5Ye65Zub6L655b2iT0VBQ+OAgTxiPs6UPC9iPkFPReOAgTxiPs6UPC9iPkJPQ+eahOmdouenr++8jOi/m+iAjOWPr+W+l+WHuue7k+iuui48L3A+
正确答案：QQ==
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
4/5单选题
难度：
4.
如图，是反比例函数y=
和y=
（k1＜k2）在第一象限的图象，直线AB∥x轴，并分别交两条曲线于A、B两点，若S△AOB=2，则k2﹣k1的值是（ ）
| A | 1 |
| B | 2 |
| C | 4 |
| D | 8 |
- 提示1：
- 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
- 提示2：
- PHA+6K6+Qe+8iGHvvIxi77yJ77yMQu+8iGPvvIxk77yJ5Luj5YWl5Y+M5puy57q/5b6X5YiwSzxzdWI+MTwvc3ViPj1hYu+8jEs8c3ViPjI8L3N1Yj49Y2Q8L3A+
- 提示3：
- PHA+6IO95rGC5Ye6Y2TvuaNhYj005piv6Kej5q2k6aKY55qE5YWz6ZSuPC9wPg==
正确答案：Qw==
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
5/5单选题
难度：
5.
如图，已知OA=6，∠AOB=30°，则经过点A的反比例函数的解析式为（ ）
| A |
|
| B |
|
| C |
|
| D |
|
- 提示1：
- PHA+6KaB55So5Yiw5Y+N5q+U5L6L5Ye95pWw55qE5oCn6LSoPC9wPg==
- 提示2：
- PHA+6L+Y6KaB55So5Yiw55u06KeS5LiJ6KeS5b2i55qE5oCn6LSo77yM5Yu+6IKh5a6a55CG44CCPC9wPg==
- 提示3：
- PHA+5Lul5Y+K5b6F5a6a57O75pWw5rOV5rGC5Y+N5q+U5L6L5Ye95pWw6Kej5p6Q5byPPC9wPg==
正确答案：Qg==
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