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