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Home > A2C > Chapter 3 > Lesson 3.2.3 > Problem 3-125
3-125.
Decide whether each sequence below is arithmetic, geometric, or neither. Then find equations to represent each sequence, if possible.
Notice that the increase is not a constant number.
The sequence is arithmetic.
, , , … Notice the ratio.
Notice that each number is a perfect square.
Notice that the sequence's increase is constant.
Remember what
squared is. The sequence is geometric.