The algebraic form of nth term of an arithmetic sequence is 8n-4
find the first term and common difference write the sequence
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Answer:
1st term = 4
Common difference = 8
The sequence is 4 , 12 , 20 , 28 , 36 .
Explanation:
nth term = 8n-4
1st term = 8(1)-4 = 4
2nd term = 8(2)-4 = 12
common diffrence = 1st term - 2nd term = 12-4 = 8
∴ The sequence is 4 , 12 , 20 , 28 , 36 .
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