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Home > CCA2 > Chapter 6 > Lesson 6.2.2 > Problem 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 ✎

  1. Make the coefficient of equal to by 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.

  2. See part (a).