Where is the vertex of the graph of #y = x^2 + 4x + 5# located?
1 Answer
May 5, 2016
Vertex
Explanation:
Given -
#y=x^2+4x+5#
Find the#x# co-ordinate of the vertex.
#x-(-b)/(2a)=(-4)/(2 xx 1)=(-4)/2=-2#
Find the#y# co-ordinate
At#x=-2; y=(-2)^2+4(-2)+5#
#y=4-8+5=9-8=1#
Vertex#(-2, 1)#
