CPM Homework Help : A2C Problem 8-83

Change each of the following equations to graphing form and then, without graphing, identify the vertex and axis of symmetry for each.

Hint:

Complete the square to get the equation in graphing form.

More Help:

The axis of symmetry is the same as the x-coordinate of the vertex.

$y = 3x^{2} −18x + 26$
Partial Answer (a):
vertex: $\left(3, −1\right)$
axis of symmetry: $x = 3$