Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 4 Quadratic Functions and Factoring - 4.2 Graph Quadratic Function in Vertex or Intercept Form - 4.2 Exercises - Skill Practice - Page 249: 29

Answer

$$y=x^2-6x+15$$

Work Step by Step

We are asked to put this equation in standard form. Thus, we first use the FOIL method. Next, we simplify until the equation is put in the form $y=ax^2+bx+c$. Doing this, we obtain: $$y=(x-3)(x-3)+6 \\y=x^2-6x+9+6 \\ y=x^2-6x+15$$
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