中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.
已知直线
的图象如图所示，当（ ）时，y＜0.
| A:
|
| B:
|
| C:
|
| D:
|
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+55u05o6l5qC55o2u5LiA5qyh5Ye95pWw55qE5Zu+6LGh6L+b6KGM6Kej562U5Y2z5Y+vLjwvcD4=
- 答案：QQ==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.
已知函数的图象如图，则
的图象可能是（ ）
| A:
|
| B:
|
| C:
|
| D:
|
一次做对，真牛！
+5奖励规则>
- 提示1：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
- 答案：Qw==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.
如图，正比例函数
在同一平面直角坐标系中的图像如图所示. 则比例系数
的大小关系是（ ）
| A:
|
| B:
|
| C:
|
| D:
|
一次做对，真牛！
+5奖励规则>
- 提示1：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
- 答案：Qg==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.已知方程
的解是
，则函数的图象可能是（ ）
的解是，则函数的图象可能是（ ） A:
 |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：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
- 提示2：IOaVsOW9oue7k+WQiA==
- 答案：Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.
已知一次函数的图象如图所示，则关于
的不等式
的解集为（）
| A:
|
| B:
|
| C:
|
| D:
|
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5qC55o2u5Ye95pWw5Zu+6LGh55+l77ya5LiA5qyh5Ye95pWw6L+H54K577yIMe+8jDDvvInvvJvlsIbmraTngrnlnZDmoIfku6PlhaXkuIDmrKHlh73mlbDnmoTop6PmnpDlvI/kuK3vvIzlj6/msYLlh7pr44CBYueahOWFs+ezu+W8j++8m+eEtuWQjuWwhmvjgIFi55qE5YWz57O75byP5Luj5YWla3gtMmLvvJ4w5Lit6L+b6KGM5rGC6KejLjwvcD4=
- 答案：Qg==
PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzdBLzU1L3JCQUNGRk9lbXN5U3Z6ZE9BQUFZX1dGSUFLZzgxNi5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvN0EvNTUvckJBQ0ZGT2Vtc3lTdnpkT0FBQVlfV0ZJQUtnODE2LnBuZyIgYWx0PSIiIHN0eWxlPSJ3aWR0aDogNTM0cHg7IGhlaWdodDogMTYwcHg7Ij48L3A+
