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Is 4,7,9,12 an arithmetic sequence?
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Is 4,7,9,12 an arithmetic sequence?

User Beto
by
3.5k points

2 Answers

1 vote

Answer:

NO

Explanation:

If a₁, a₂, a₃, a₄, a₅, ... make an arithmetic sequence, then

aₙ - aₙ₋₁ = a₅ - a₄ = a₄ - a₃ = a₃ - a₂ = a₂ - a₁ = d (common difference)

7 - 4 = 3

9 - 7 = 2

different differences

User Robin Dehu
by
4.0k points
2 votes

Answer:

No. The differences between two elements should be same. For example 4-7-10-13 is a arithmetic sequence.

Explanation:

User Kingofzeal
by
3.7k points
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