alanakhan1914 alanakhan1914

21-04-2022
Mathematics

contestada

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

Respuesta :

muadmoe44 muadmoe44

21-04-2022

Answer:

Step-by-step explanation:

a₄ = a₁ + (4-1)d

4 = -4 + 3d

d = 8/3

a₈ = a₄ + (8-4)d = 4 + 4(8/3) = 14⅔

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