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McGraw Hill Glencoe Algebra 1, 2012 View details

1. Adding and Subtracting Polynomials

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Exercise 82 Page 471

What makes a sequence arithmetic?

Arithmetic Sequence? Yes.
Common Difference: 4

Practice makes perfect

When a sequence is arithmetic, the difference between two consecutive terms is constant. Examining our sequence, we can see that this is not the case. - 15 +4 → - 11 +4 → - 7 +4 → - 3 Therefore, the sequence is arithmetic and the common difference is 4.