Math Help - find equation of last parabola

1. find equation of last parabola

Contains points (1,10) and (2,4), axis of symmetry is vertical, vertex is on line4x-3y=6

2. Re: find equation of last parabola

Hint :

$y=ax^2+bx+c$

$V\left(\frac{-b}{2a},\frac{-D}{4a}\right)$

$D=b^2-4ac$