What are the vertex, focus and directrix of y=2x2+11x−6?
1 Answer
Dec 19, 2016
The vertex is
The focus is
The directrix is
Explanation:
Let rewrite the equation
This is the equation of the parabola
The vertex is
The focus is
The directrix is
graph{(y-2x^2-11x+6)(y+170/8)=0 [-14.77, 10.54, -21.49, -8.83]}