### Home > INT3 > Chapter Ch2 > 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. Homework Help ✎

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: