Item: tExamplesCommonDifferenceArithmetic2a

Stem:

Give the first 3 terms of an arithmetic sequence that satisfies the following:

1. The first term is a positive integer between 20 and 22, inclusive.

2. The common difference is a negative integer between -6 and -4, inclusive.

Note: There is more than one correct answer. Any example you choose that meets the above requirements will be scored as correct.

Inputs:

  1. Enter your answers here:
  2. ,
  3. and

Key:

Metadata:

Item Node: tExamplesCommonDifferenceArithmetic2a, Difficulty: 2.
Proficiencies: ExamplesArithmetic, CommonDifference.