How do I use the vertex formula to determine the vertex of the graph for #f(x)=3x^2-6x+1#?
1 Answer
May 10, 2015
Vertex form:
-b/2a = 6/6 = 1
f(1) = 3 - 6 + 1 = -2
Vertex form
Check.
Develop: f(x) = 3(x^2 - 2x + 1) - 2 = 3x^2 - 6x + 3 - 2 =
f(x) = 3x^2 - 6x + 1. Correct.
