College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 2 - Section 2.4 - Circles - 2.4 Assess Your Understanding - Page 186: 1


add; $25$

Work Step by Step

RECALL: To complete the square for the expression $x^2 +bx$, one must add $(\frac{b}{2})^2$. The given expression has $b=10$. Thus, to complete the square, add $(\frac{10}{2})^2=5^2=25$ to the given expression to have: $x^2+10x+25$ Therefore, the missing expressions in the given statement are (in order): add; $25$
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