Answer
$x=±\sqrt 2+3$; a.
Work Step by Step
Solve by completing the square and isolating $x$.
$x^2-6x+7$
$x^2-6x+9=2$
$(x-3)(x-3)=2$
$x-3=±\sqrt 2$
$x=±\sqrt 2+3$
When graphing, we see that the equation matches graph a.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Equations and Inequalities - Exercise Set 1.5 - Page 161: 110
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