中学生网络课堂
初三数学 (通用版上册)
二次函数综合
本课配套习题挑战模式1/5
单选题
难度系数：
1.如图，已知抛物线l1：y=-x2+2x与x轴分别交于A、O两点，顶点为M. 将抛物线l1关于y轴对称到抛物线l2. 则抛物线l2过点O，与x轴的另一个交点为B，顶点为N，连接AM、MN、NB，则四边形AMNB的面积（ ）
| A: 3 |
| B: 6 |
| C: 8 |
| D: 10 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOagueaNruaKm+eJqee6v2w8c3ViPjE8L3N1Yj7nmoTop6PmnpDlvI/msYLlh7rpobbngrlN77yM5ZKMeOi9tOS6pOeCuUHnmoTlnZDmoIfvvIznhLblkI7moLnmja7lr7nnp7Dlm77lvaLnmoTnn6Xor4blj6/msYLlh7pN44CBTueahOWdkOagh++8jOS5n+WPr+W+l+WIsOWbm+i+ueW9ok5CQU3mmK/nrYnohbDmoq/lvaLvvIzmsYLlh7rlm5vovrnlvaJOQkFN55qE6Z2i56ev5Y2z5Y+vLg==
- 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.如图，抛物线y=-
x2+
x+2 与x轴交于点A（4，0）、B（-1，0），与y轴交于点C（0，2），连接AC，点M是线段OA上的一个动点（不与点O、A重合），过点M作MN∥AC，交OC于 点N，将△OMN沿直线MN折叠，点O的对应点O′落在第一象限内，设OM=t，在点M运动的过程中，请写出以O、B、C、O′为顶点的四边形是等腰梯形时所对应的t值为（ ）. 
x2+x+2 与x轴交于点A（4，0）、B（-1，0），与y轴交于点C（0，2），连接AC，点M是线段OA上的一个动点（不与点O、A重合），过点M作MN∥AC，交OC于 点N，将△OMN沿直线MN折叠，点O的对应点O′落在第一象限内，设OM=t，在点M运动的过程中，请写出以O、B、C、O′为顶点的四边形是等腰梯形时所对应的t值为（ ）. A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOagueaNruebtOe6v0JD55qE5pac546H5Y2z5Y+v5rGC5b6X55u057q/T0/igLLnmoTop6PmnpDlvI95PTJ477yM6K6+T+KAsu+8iG3vvIwybe+8ie+8jOagueaNrk/igLJOPTxpbWcgd2lkdGg9NSBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9DNi82MS9yQkFDRTFQcDRHdVQwLWZVQUFBQkdhajJzTlE0NzAucG5nIj505YWI5rGC5b6XbeS4jnTnmoTlhbPns7vlvI/vvIznhLblkI7moLnmja5P4oCyQz1PQuWNs+WPr+axguW+ly4=
- 答案：Qg==
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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，已知抛物线y=
x2+
x-2与x轴的两个交点是A、B，与y轴的交点是C. 设抛物线的顶点是F，对称轴与AC的交点是N，P是在AC上方的该抛物线上一动点，过P作PM⊥x轴，交AC于M. 若P点的横坐标是m. 四边形PMNF是等腰梯形时，求出此时m的值为（ ）. 
x2+x-2与x轴的两个交点是A、B，与y轴的交点是C. 设抛物线的顶点是F，对称轴与AC的交点是N，P是在AC上方的该抛物线上一动点，过P作PM⊥x轴，交AC于M. 若P点的横坐标是m. 四边形PMNF是等腰梯形时，求出此时m的值为（ ）. A:  |
| B: |
| C: |
| D: |
一次做对，真牛！
+5奖励规则>
- 提示1：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
- 答案：RA==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.如图，二次函数y=-x2+
x+1；的图像与x轴交于A(-
，0)、 B(2，0)两点，且与y轴交于点C， 在x轴上方的拋物线上有一点D，且以A、C、D、B四点为顶点的四边形是等腰梯形，请写出D点的坐标()
x+1；的图像与x轴交于A(-，0)、 B(2，0)两点，且与y轴交于点C， 在x轴上方的拋物线上有一点D，且以A、C、D、B四点为顶点的四边形是等腰梯形，请写出D点的坐标() A: （ ） |
B: （ ） |
C: （ ） |
D: （ ） |
一次做对，真牛！
+5奖励规则>
- 提示1：IOagueaNruaKm+eJqee6v+WSjOetieiFsOair+W9oueahOWvueensOaAp+efpe+8jOeCuUPlhbPkuo7mipvniannur/lr7nnp7DovbTnmoTlr7nnp7DngrnnrKblkIjngrlE55qE6KaB5rGC77yM55Sx5q2k5Y+v5rGC5Ye654K5ROeahOWdkOaghw==
- 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.如图，在平面直角坐标系中，已知点A、B、C在x轴上，点D、E在y轴上，OA=OD=2，OC=OE=4，B为线段OA的中点，直线AD与经过B、E、 C三点的抛物线交于F、G两点，与其对称轴交于M，点P为线段FG上一个动点（点P与F、G不重合），作PQ∥y轴与抛物线交于点Q. 连结QN，四边形PMNQ成为等腰梯形时点P的坐标为（ ）
A: （ ， ） |
B: （， ） |
C: （ ， ） |
| D: （，） |
一次做对，真牛！
+5奖励规则>
- 提示1：IOiuvueCuVDkuLrvvIh477yMeCsy77yJUe+8iHjvvIwteDxzdXA+Mjwvc3VwPiszeCs077yJ77yM5YiZUFE9LXg8c3VwPjI8L3N1cD4rMngrMu+8jOagueaNruWbm+i+ueW9olBNTlHmiJDkuLrnrYnohbDmoq/lvaLml7bvvIzlvpdOSD1NSu+8jOWNs+WPr+axguW+l1DngrnlnZDmoIfjgII=
- 答案：RA==
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
