SAT Math Practice Question #22906 - SATify | SATify
#22906
algebra
sequences and series
Recurrence Relations
medium
120 sec
The sequence S1,S2,S3,…,S10 has the property that every term beginning with the third is the sum of the previous two. That is, Sn=Sn−2+Sn−1 for n≥3. Suppose that S10=233 and S8=89. What is S5?