#### Answer

square

#### Work Step by Step

RECALL:
A quadratic function in the form $f(x) = ax^2+bx+c$ can be written in its standard form $f(x) = a(x-h)^2 + k$ by completing the square.
Thus, the missing expression in the given statement is:
square

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

square

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