For the sequence -28,-16,-4,8,... The expression that defines the nth term where a 1 =-28 is 12 - 28n 2 12 - 28(n - 1) 3. - 28 + 12n - 28 + 12(n - 1) Submit Answer

a₁ = -28

aₙ = a₁ + 12 (n-1)

Step-by-step explanation:

a₁ = -28

a₂ = -28 + 12 (2 - 1) = -16

a₃ = -28 + 12 (3 - 1) = -4

a₄ = -28 + 12 (4 - 1) = 8

aₙ = a₁ + 12 (n-1)

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