A.(2,-4) | B.(-2,4) | C.(1,-2) | D.(-1,2) |
D |
2 |
E |
2 |
A.-4 | B.-2 | C.2 | D.4 |
A.(x+3)2+(y+4)2=5 | B.(x+3)2+(y+4)2=25 |
C.(x-3)2+(y-4)2=25 | D.(x-3)2+(y-4)2=5 |
A.(x-1)2+(y+2)2=4 | B.(x-1)2+(y+2)2=16 |
C.(x+1)2+(y-2)2=4 | D.(x+1)2+(y-2)2=16 |
© 2017-2019 超级试练试题库,All Rights Reserved.