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：
1.一次函数y=kx+b的图象如图所示，则方程kx+b=0的解为（ ）
| A: x=2 |
| B: y=2 |
| C: x=-1 |
| D: y=-1 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOebtOaOpeagueaNruWHveaVsOWbvuixoeS4jnjovbTnmoTkuqTngrnov5vooYzop6PnrZTljbPlj68=
- 答案：Qw==
PGRpdj7op6PvvJriiLXkuIDmrKHlh73mlbB5PWt4K2LnmoTlm77osaHkuI546L2055qE5Lqk54K55Li677yILTHvvIww77yJ77yMPC9kaXY+PGRpdj7iiLTlvZNreCtiPTDml7bvvIx4PS0xLiA8L2Rpdj48ZGl2PuaVhemAiUMuIDwvZGl2Pg==
本课配套习题挑战模式2/5
单选题
难度系数：
2.
如图，一次函数y=k1x+b1的图象l1与y=k2x+b2的图象l2相交于点P，则方程组
的解是（ ）
| A: x＝−2，y＝3 |
| B: x＝3，y＝−2 |
| C: x＝2，y＝3 |
| D: x＝−2，y＝−3 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5qC55o2u5Zu+6LGh5rGC5Ye65Lqk54K5UOeahOWdkOaghzwvcD4=
- 提示2：PHA+5qC55o2u54K5UOeahOWdkOagh+WNs+WPr+W+l+WHuuetlOahiDwvcD4=
- 答案：QQ==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.
已知
和
是二元一次方程ax+by=-3的两个解，则一次函数y=ax+b与y轴的交点是（ ）
| A: （0，-7） |
| B: （0,4） |
| C: （0，-37 ） |
| D: （-37 ,0） |
一次做对，真牛！
+5奖励规则>
- 提示1：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
- 提示2：PHA+5YaN5LukeD0w5Y2z5Y+vLjwvcD4=
- 答案：Qw==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.已知函数y＝
x+m与y=2x-n的图象如图所示，则方程组
的解是（）
x+m与y=2x-n的图象如图所示，则方程组的解是（） | A: x＝2, y＝2 |
| B: x＝1, y＝2 |
| C: x＝−2, y＝−2 |
| D: x＝2, y＝1 |
一次做对，真牛！
+5奖励规则>
- 提示1：CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg5oqK5Ye95pWw55qE5b2i5Yq/5ZKM5pa556iL55qE5b2i5Yq/5LqS5YyW77yM5Lya5Y+R546w5a6D5Lus5LiA5qC3CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA=
- 提示2：CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg55Sx5LqO5Ye95pWw5Zu+6LGh5Lqk54K55Z2Q5qCH5Li65Lik5Ye95pWw6Kej5p6Q5byP57uE5oiQ55qE5pa556iL57uE55qE6KejCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA=
- 答案：QQ==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.若方程组
有无穷多组解，则2k+b2的值为（ ）
有无穷多组解，则2k+b2的值为（ ） | A: 4 |
| B: 5 |
| C: 8 |
| D: 10 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOaWueeoi+e7hOacieaXoOaVsOino++8jOWImei/meS4quaWueeoi+e7hOS4pOS4quebuOWQjOaWueeoi+etieW8jw==
- 答案：Qg==
PGRpdj7op6PvvJrnlLHpopjmhI/nn6XvvIzmlrnnqIvnu4TljIXlkKvnmoTkuKTkuKrmlrnnqIvlvI/lkIzkuIDkuKrmlrnnqIvnrYnlvI8uIDwvZGl2PjxkaXY+4oi0az0zay0x77yMYj0y77yM6Kej5b6Xaz08aW1nIHdpZHRoPTcgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjQvNDEvckJBQ0UxTU1uT25oM2V1TEFBQUJKQ1RZTDg0ODEwLnBuZyI+77yMYj0y77yMPC9kaXY+PGRpdj7iiLQyaytiPHN1cD4yPC9zdXA+PTXvvIw8L2Rpdj48ZGl2PuaVhemAiUIuIDwvZGl2Pg==
