Standard Form: y = ax2 + bx + c

X-value of the Vertex: x = -b/2a

Y-intercept: (0,c)

What are the vertex, axis of symmetry, and minimum or maximum of y = 2x2 + 8x – 2?

Graph: y = x2 + 2x +3

Now you try: p.206 #23

What is the vertex form of y = -x2 + 4x – 5?

Now you try: p. 206 #27