### Home > INT3 > Chapter 2 > Lesson 2.3.1 > Problem 2-137

2-137.

Use the correct method from problem 2-136 to change each of the following equations to graphing form. Then, without graphing, state the vertex and equation of the line of symmetry for each parabola.

Complete the square to find the equation.

Use

andto find the vertex and axis of symmetry. vertex:

axis of symmetry:See part (a).

vertex:

axis of symmetry: