Question

Which sequences are arithmetic? Select three options.

🔲–8.6, –5.0, –1.4, 2.2, 5.8, …
🔲 2, –2.2, 2.42, –2.662, 2.9282, …
🔲 5, 1, –3, –7, –11, …
🔲 –3, 3, 9, 15, 21, …
🔲 –6.2, –3.1, –1.55, –0.775, –0.3875, …

Answer 1

Lisa do you know what mean arithmetic sequences ?

Answer 2

nope

Answer 3

Any ideas?

Answer 4

A set of numbers with a specific structure is an arithmetical sequence. If you take every number in the list and subtract it from the previous sequence, and the outcome is either the same or constant, then an arithmetic sequence was used.