CPM Homework Help : CCA2 Problem 2-93

Sketch a graph and draw the line of symmetry for the equation $y=2(x−4)^2−3$ . What is the equation of the line of symmetry?

Hint:

Use the $h$ and $k$ values in the equation to find the vertex.

More Help:

Use the vertex to locate the axis of symmetry and write an equation for it.

Answer:

The line of symmetry is $x=4$ .

Upward parabola, vertex at (4, comma negative 3), with dashed vertical line passing through the vertex.