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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

5. Geometric Sequences

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Exercise 1 Page 306

Calculate the difference and ratio between consecutive terms. Is either of these the same throughout the sequence?

Arithmetic

Practice makes perfect

We want to identify the given sequence as arithmetic, geometric, or neither. To do so we will calculate the difference and ratio between consecutive terms.

We can see above that the ratios are not the same. However, the differences are the same. Therefore, the sequence is an arithmetic sequence with a common difference of - 4.

Subchapter links

Communicate Your Answer p.305

Monitoring Progress p.306-309

Exercises p.310-312