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OpenStudy (anonymous):
Help please!!! Find the sum of the first 8 terms of the sequence. Show full work! 1, -3, -7, -11...
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OpenStudy (acxbox22):
first find the next 4 terms then add all 8 together
OpenStudy (anonymous):
To find the common difference would I just subtract one number given by the number before it? like -3 - 1 = -4, or -7 - (-3) = -4 ?
OpenStudy (anonymous):
With this the common difference would be -4 and the rest would be 1, -3, -7, -11, -15, -19, -23, -27 which would equal -104 as the sum?
OpenStudy (anonymous):
@phi would this be correct?
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