jbible32 jbible32

29-02-2020
Mathematics

contestada

Find a formula for the nth term in this
arithmetic sequence:
a1 = 8, a2 = 4, a3 = 0, 24 = -4, ...

Respuesta :

ghanami ghanami

29-02-2020

Answer:

an = -4n +12

Step-by-step explanation:

hello :

the nth term in this arithmetic sequence is : an = a1 + (n -1 )d

a1 = 8 d = a2-a1 = 4-8 = -4 ( common difrence)

an = 8 + (n -1 )(-4) = 8 - 4n +4

an = -4n +12

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