Pearson Algebra 1 Common Core, 2011
PA
Pearson Algebra 1 Common Core, 2011 View details
7. Arithmetic Sequences
Continue to next subchapter

Exercise 18 Page 279

What makes a sequence an arithmetic sequence?

Type of Sequence Arithmetic sequence.
Common Difference: 4

Practice makes perfect

When a sequence is arithmetic, the difference between two consecutive terms is constant. By examining our sequence we can see that this is the case. -7 + 4 ⟶ -3 + 4 ⟶ 1 + 4 ⟶ 5 + 4 ⟶ ... Therefore, the sequence is an arithmetic sequence with common difference 4.