Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Group Activity - Magic Squares - Page 82: 2


answer: Top Row: 2 -3 -2 Middle Row: -5 -1 3 Bottom Row: 0 1 -4

Work Step by Step

We know that each row must equal -3 for it to be a magic square since diagonally, we are given a sum of -3. Find the missing number from the rows missing only one. The right column needs 3 to total up to negative 3. The bottom row needs 1 to get the same sum. From there, we can see the middle row needs -5. Then we can see the middle column, top row needs -3. Then the last slot must be 2. In all directions, the numbers give a sum of -3.
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