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Lera25 [3.4K]
3 years ago
9

Which of the following is true about the sequence graphed below? (and Why)

Mathematics
2 answers:
WITCHER [35]3 years ago
5 0

Answer:

Step-by-step explanation:

a₂ = 9

a₃ = a₂-1.5

a₄ = a₃-1.5

a₅ = a₄-1.5

etc.

The terms have a common difference of -1.5, so the sequence is arithmetic.

MatroZZZ [7]3 years ago
3 0

Answer:

Step-by-step explanation:

The common difference is a y-thing. It looks like the difference in the y-values of each of these points is -1.5. That means that this is an arithmetic sequence because the common difference is consistently -1.5. In fact, the whole equation can be determined to be

a_n=-1.5n+12

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