Asked by Jade
Given: ________, – 243, – 226, – 209, – 192, – 175, …
The 67th term of the sequence is __________.
The series of the first 27 terms of the sequence is __________.
The 67th term of the sequence is __________.
The series of the first 27 terms of the sequence is __________.
Answers
Answered by
Reiny
looks like an arithmetic sequence with d = 17
and term2 = -243
a+d = -243
a = - 260
term(67) = a+66d
= -260 + 66(17)
= ...
you should have at your finger-tips the formulas for the sum of n terms
you have the a and the d, so plug in
and term2 = -243
a+d = -243
a = - 260
term(67) = a+66d
= -260 + 66(17)
= ...
you should have at your finger-tips the formulas for the sum of n terms
you have the a and the d, so plug in
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