### Home > CCA2 > Chapter 6 > Lesson 6.2.2 > Problem 6-119

6-119.

Use the ideas developed in problem 6-118 to change each of the following quadratic equations into graphing form. Identify the vertex and the line of symmetry for each one. Homework Help ✎

Make the coefficient of

equal toby factoring out a in the first two terms. Take half of 3 and square it. You get

. The indicates you really added or . So add the inside the parentheses and subtract the equivalent 9 outside the parentheses on the same side. Then simplify.

See part (a).