Question

What is the previous term for: -6, 1, 8, 15...

Answer 1

• - 13

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Given sequence:

• -6, 1, 8, 15...

This is a AP since the difference is common:

• 1 - (-6) = 7,
• 8 - 1 = 7,
• 15 - 8 = 7.

The previous term is going to be 7 less than the subsequent term:

• - 6 - 7 = - 13