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March 27, 2015

March 27, 2015

Posted by **Jade** on Wednesday, June 18, 2014 at 8:41pm.

The 67th term of the sequence is __________.

The series of the first 27 terms of the sequence is __________.

- Math -
**Reiny**, Wednesday, June 18, 2014 at 10:58pmlooks 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

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