13 |
4 |
5 |
3 |
A.y1<y2<y3 | B.y3<y2<y1 | C.y3<y1<y2 | D.y2<y1<y3 |
b |
2a |
-4 |
(-1)×2 |
5 |
3 |
13 |
4 |
13 |
4 |
3 |
8 |
5 |
3 |
3 |
8 |
A.b=3,c=7 | B.b=6,c=3 | C.b=-9,c=-5 | D.b=-9,c=21 |
A.y=3(x-1)2+2 | B.y=3(x+1)2-2 | C.y=3(x-1)2-2 | D.y=3(x+1)2+2 |
1 |
2 |
A.y=
| B.y=
| ||||
C.y=
| D.y=-
|
1 |
2 |
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