If the second term of an arithmetic progression is - 4 and the fourth term is 8, find the ninth term.

asked Apr 12, 2023 15.9k views

14 votes

by Lpt

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10 votes

Answer:

Explanation:

a₄ = a₁ + (4-1)d

4 = -4 + 3d

d = 8/3

a₈ = a₄ + (8-4)d = 4 + 4(8/3) = 14⅔

BigAppleBump answered Apr 17, 2023

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