HELP!! ASAP!!! Please make sure your confident with answer :) already on 2nd attempt! Please help! Will give brainliest! :)
2 answers:
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Answer:
the common difference is 6.
Step-by-step explanation:
Given;
first term of an AP, a = -7
let the common difference = d
The third term is written as;
T₃ = a + 2d
The eight term is written as;
T₈ = a + 7d
The ratio of the eight term to third term = 7:1
Therefore, the common difference is 6.
This is a formula chart to help(i would’ve given you the answer but you didn’t give the sharp)
