1/5单选题
难度：
1.已知点A（1，0），B（0，2），点P在x轴上，且△PAB的面积为5，则点P的坐标为（ ）
| A | （-4，0） |
| B | （6，0） |
| C | （-4，0）或（6，0） |
| D | 无法确定 |
- 提示1：
- IOagueaNrkLngrnnmoTlnZDmoIflj6/nn6VBUOi+ueS4iueahOmrmOS4ujLvvIzogIzilrNQQULnmoTpnaLnp6/kuLo177yM54K5UOWcqHjovbTkuIrvvIzor7TmmI5BUD0177yM5bey55+l54K5QeeahOWdkOagh++8jOWPr+axglDngrnlnZDmoIc=
正确答案：Qw==
PGRpdj7op6PvvJriiLVB77yIMe+8jDDvvInvvIxC77yIMO+8jDLvvInvvIzngrlQ5ZyoeOi9tOS4iu+8jDxicj7iiLRBUOi+ueS4iueahOmrmOS4ujLvvIw8YnI+5Y+I4pazUEFC55qE6Z2i56ev5Li6Ne+8jDxicj7iiLRBUD0177yMPGJyPuiAjOeCuVDlj6/og73lnKjngrlB77yIMe+8jDDvvInnmoTlt6bovrnmiJbogIXlj7PovrnvvIw8YnI+4oi0UO+8iC0077yMMO+8ieaIlu+8iDbvvIww77yJPC9kaXY+
2/5单选题
难度：
2.已知点A（a，0）和点B（0，5）两点，且直线AB与坐标轴围成的三角形的面积等于10，则a的值是（ ）
| A | a=4 |
| B | a=4或a=-4 |
| C | a=-4 |
| D | a=2 |
- 提示1：
- IOagueaNruS4ieinkuW9oueahOmdouenr+WFrOW8j+WSjOW3suefpeadoeS7tuaxguino++8jOazqOaEj2Hlj5bmraPotJ/mlbDpg73nrKblkIjpopjmhI8=
正确答案：Qg==
PGRpdj7op6PvvJrnm7Tnur9BQuS4juWdkOagh+i9tOWbtOaIkOeahOS4ieinkuW9oueahOmdouenr+etieS6jjEw77yMPGJyPumCo+S5iDXDl3xPQXzDtzI9MTDvvIw8YnI+6Kej5b6X77yaT0E9NO+8jDxicj7miYDku6VhPTTmiJZhPS00LiA8L2Rpdj48ZGl2PjxpbWcgd2lkdGg9MjA1IGhlaWdodD0yMDYgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8wMC82NS9yQkFDRkZNTVZ6YXp5RGxNQUFBU0hrTHdiMzAyNzYucG5nIj48L2Rpdj4=
3/5单选题
难度：
3.已知点A（3，0），B（0，y），O为坐标原点，△ABO的面积为6，则y=（ ）
| A | 4 |
| B | -4 |
| C | ±4 |
| D | 以上答案都不对 |
- 提示1：
- IOagueaNrkHkuI5C55qE5Z2Q5qCH5b6X5YiwT0E9M++8jE9CPXx5fO+8jOWGjeagueaNruS4ieinkuW9oueahOmdouenr+WFrOW8j+W+l+WIsA==
- 提示2：
- PGltZyB3aWR0aD0xMDAgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvNjUvckJBQ0ZGTU1WMFBoOHZTOUFBQUNZRWhHZXI0MjEwLnBuZyI+77yM6L+b6KGM6K6h566X5Y2z5Y+v5b6X5YiweeeahOWAvC4=
正确答案：Qw==
PGRpdj48YnI+6Kej77ya4oi1Qe+8iDPvvIww77yJ77yMQu+8iDDvvIx577yJ77yMPGJyPuKItE9BPTPvvIxPQj18eXzvvIw8YnI+4oi1PGltZyB3aWR0aD0yMTAgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvNjUvckJBQ0ZGTU1WMFBTemJWWEFBQURTMWRiaXdNNDQxLnBuZyI+PGJyPuKItDxpbWcgd2lkdGg9MTE4IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzIzLzUzL3JCQUNFMU1NVjBPU001aTJBQUFDY1JELVJYazkyNy5wbmciPjxicj7iiLR5PcKxNC4gPC9kaXY+
4/5单选题
难度：
4.
已知△ABC的三边长均为整数，△ABC的周长为奇数. 若A（-2，1），B（6，1），在第一、三象限角平分线上是否存在点P，使△ABP的面积为16,则P点坐标( )
| A | （1,1） |
| B | （3,3） |
| C | （2,2）或（-4，-4） |
| D | （5,5）或（-3，-3） |
- 提示1：
- PHA+5Zug5Li6Qe+8iC0y77yMMe+8ie+8jELvvIg277yMMe+8ieS4pOeCueWcqOW5s+ihjOS6jnjovbTnmoTnm7Tnur/kuIrvvIzkuJRBQj02Le+8iC0y77yJPTjvvIzogIzilrNBQlDnmoTpnaLnp6/kuLoxNu+8jOeUseS4ieinkuW9ouiuoeeul+mdouenr+WFrOW8j+WPr+efpe+8jOeCuVDliLBBQueahOi3neemu+S4ujTvvIzlj4hQ54K55Zyo56ys5LiA44CB5LiJ6LGh6ZmQ6KeS5bmz5YiG57q/5LiK77yM55Sx5q2k5Y+v5rGCUOeCueWdkOaghzwvcD4=
正确答案：RA==
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
5/5单选题
难度：
5.
在平面直角坐标系中，已知点A（0，0），B（0，3），C（1，2）. 若点D在y轴的正半轴上，且△ABD与△ABC的面积相等，求点D的坐标为( )
| A |
（0,2） |
| B |
（0,3） |
| C |
（0,4） |
| D |
（0,5） |
- 提示1：
- CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA8cD7lt7Lnn6VB44CBQuOAgUPnmoTlnZDmoIfvvIzlj6/msYLlvpdBQueahOmVv++8jOKWs0FCQ+S4re+8jOS7pUFC5Li65bqV77yMQ+eCuee6teWdkOagh+eahOe7neWvueWAvOS4uumrmO+8jOWPr+axguW+l+KWs0FCQ+eahOmdouenry48L3A+CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA=
- 提示2：
- CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA8cD7lt7Lnn6XilrNBQkTlkozilrNBQkPnrYnlupXvvIzkuJTpnaLnp6/nm7jnrYnvvIzlm6DmraRD44CBROS4pOeCueeahOe6teWdkOagh+W6lOivpeebuOetie+8jOeUseatpOWPr+axguW+l0TngrnlnZDmoIcuPC9wPgogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg
正确答案：QQ==
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