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OpenStudy (anonymous):
The first four terms in a quadratic sequence are shown below. 5, 15, 31, 53, ... What is the next term in the sequence?
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OpenStudy (anonymous):
81
OpenStudy (anonymous):
differences are 15-5=10 31-15=16 53-31=22 that means the next term will be 53+28 = 81
OpenStudy (anonymous):
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