How do I use the vertex formula to determine the vertex of the graph for # y = x^2-6x+8#?
1 Answer
May 20, 2018
(3,-1)
Explanation:
use
a = 1 because the first term is
b = -6 because the second term is -6x
x=3
plug it back in to the original equation
=-1
the vertex is (3,-1)