Asked by lucy
The 10th term of an arithmetic sequence is 42 more than the 7th term.If the 1st term is -14,find the second term of the sequence
Answers
Answered by
oobleck
The two terms are three apart, so
3d = 42
d = 14
So now
a+d = -14+14 = 0
3d = 42
d = 14
So now
a+d = -14+14 = 0
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