-2, 10, -50. Find the next two terms of this sequence. Give exact values (not decimal approximations)
2 answers:
250 and - 1250
This is a geometric sequence with common ratio r = - 5
multiply each term by - 5 to obtain the next term
- 50 × - 5 = 250
250 × - 5 = - 1250
the sequence is - 2, 10, - 50, 250, - 1250
-20, 10, -50, 250, -1250 is the answer
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