### 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.