What is the vertex form of # f(x) = -5x^2-4x+9 #?
1 Answer
Jul 16, 2016
x-coordinate of vertex:
y-coordinate of vertex:
Vertex
Vertex form of f(x):
graph{- 5x^2 - 4x + 9 [-10, 10, -5, 5]}
graph{- 5x^2 - 4x + 9 [-20, 20, -10, 10]}