Lesson 9: algebra - arithmetic sequences
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Words to Know
Sequence: an ordered list of numbers
Term: each number in a sequence
Arithmetic Sequence: each term added to the previous term by the same number make up an arithmetic sequence
Term: each number in a sequence
Arithmetic Sequence: each term added to the previous term by the same number make up an arithmetic sequence
Examples
1. Describe the relationship between the terms in each arithmetic sequence. Then write the next three terms.
Video
Video
Tips
To find an algebraic expression, it is helpful to make a table
For example, in #3a:
Position 1 = 1 x 3
Position 2 = 2 x 3
Position 3 = 3 x 3
Position n = n x 3
For example, in #3a:
Position 1 = 1 x 3
Position 2 = 2 x 3
Position 3 = 3 x 3
Position n = n x 3
Extra Examples
- Click here for additional examples and self check quizzes.
Problems of the DAY
Answers must be submitted by 9am the following school day!
1. Describe the relationship between the terms in the arithmetic sequence. Then write the next three terms in the sequence:
2.4, 3.2, 4.0, 4.8, ...
2. Find the 100th term in the sequence:
12, 24, 36, 48, ...
1. Describe the relationship between the terms in the arithmetic sequence. Then write the next three terms in the sequence:
2.4, 3.2, 4.0, 4.8, ...
2. Find the 100th term in the sequence:
12, 24, 36, 48, ...