Question

Find a formula for the nth term

of the arithmetic sequence.
First term -12
Common difference 4

Answer 1

Answer: aₙ = -12 + (n - 1) 4

Explanation:

aₙ = a + (n - 1) d

a = -12

d = 4

aₙ = -12 + (n - 1) 4

Answer 2

a(n)=4n-16

Explanation:

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