2x |
x2-1 |
3x2-3 |
x |
x |
x2-1 |
x |
x2-1 |
1 |
y |
x2 |
x-3 |
2x |
3-x |
x |
x-3 |
7 |
2x |
x-1 |
5x-7 |
x2-x |
x2-1 |
x |
x |
x2-1 |
x2-1 |
x |
A.y2-y+2=0 | B.y2+y-2=0 | C.y2-2y+1=0 | D.y2+2y-1=0 |
x-1 |
x+2 |
4 |
x-1 |
A.x1=7,x2=1 | B.x1=7,x2=-1 |
C.x1=-7,x2=-1 | D.x1=-7,x2=1 |
2x |
x-2 |
2 |
x2+x |
A.y2-y-2=0 | B.y2-y+2=0 | C.y2+y-2=0 | D.y2+y+2=0 |
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