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1 vote
What is the explicit formula for this sequence? 7, 2, -3, -8

User Mitch A
by
7.5k points

1 Answer

1 vote

Answer:

Common difference (d) = -5

Explanation:

formula=>

an = a + (n-1)d

=> -8 = 7 + (4-1)d

=> -15 = 3d

=> 3d = -15

=> d = -15/3

=> d = -5

User Jhon
by
6.1k points
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