A.x+2y+3=0 | B.x-2y+3=0 | C.x+y-3=0 | D.2x+y-3=0 |
5 |
1-0 |
4-3 |
A.2条 | B.3条 | C.4条 | D.6条 |
A.2x-y-5=0 | B.x-2y-1=0 | C.x-y-2=0 | D.x+y-4=0 |
π |
4 |
π |
4 |
A.相离 | B.相交 | C.相切 | D.不能确定 |
π |
4 |
| ||
2 |
3 |
A.3x-4y+2=0 | B.3x-4y+2=0或x=2 |
C.3x-4y+2=0或y=2 | D.x=2或y=2 |
© 2017-2019 超级试练试题库,All Rights Reserved.