the 8th term of an arithmetic sequence is 12 and its 12th term is 8. what is the algebric expression for this sequence?
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a8=12-----------1
a12=8-----------2
a8=a+(n-1)d
=a+7d
From 1
12=a+7d
a12=a+(n-1)d
=a+11d
From 2
8=a+11d
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a12=8-----------2
a8=a+(n-1)d
=a+7d
From 1
12=a+7d
a12=a+(n-1)d
=a+11d
From 2
8=a+11d
Hope this helps u
Pls mark it as brainliest
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