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Home > A2C > Chapter 7 > Lesson 7.2.2 > Problem 7-117


Use the ideas developed in problem 7-116 to change each of the following quadratic equations into graphing form. Identify the vertex and the line of symmetry for each one.

Make the coefficient of equal to 1 by factoring out a in the first two terms.

Take half of '3' and square it. You get: . The '4' indicates you really added 4(2.25) or 9. So add the 2.25 inside the ( )'s and subtract the equivalent '9' outside the ( )'s on the same side.

Then simplify.

  1. See part (a).