AP EAMCET Engineering 26 Apr 2017 Shift 1 Paper

The general equation of parabola is given by,
x=Ay2+By+C(A≠0)
The parabola passes through (-2,0),(1,2) and (-1,3)
3A+B=3
5A+B=−2
On solving the above equation.
A=

−5

2

B=

21

2

And,
C=−10
Therefore, the required equation of parabola is,
x=

−5

2

y2+

21

2

y−10
2x=−5y2+21y−20
5y2+2x−21y+20=0