Find the vertex
(x-1)2 + 1
(1,1)
Vertex
(h,k)
(x+6)2
x = -6
x2
Yes
(x+2)2 - 2
(-2,-2)
quadratic function
-(x-2)2+8
x=2
Yes
2(x-4)2 + 3
(4,3)
parabola
The graph of a quadratic function
3(x+3)2+3
x=-3
4(x-3)4
NO!
(x+6)2 -5
(-6,-5)
Vertex form
a(x-h)2+k
2(x+2)2+4
x = -2
(x+1,000,000)2+1,000,000
YES!
-(x+10)2
(-10,0)
axis of symmetry
Imaginary line that splits a parabola into equal parts
x=-1
x + x
NO!