Answer
9 -6 -3
-12 0 12
3 6 -9
Work Step by Step
horizontal:
$9-6-3=0$
$-12+0+12=0$
$3+6-9=0$
vertical:
$9-12+3=0$
$-6+0+6=0$
$-3+12-9=0$
diagonal:
$9+0-9=0$
$3+6-9=0$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 1 - Group Activity - Magic Squares - Page 82: 3
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