Question 1143052: 3, -6, 12, 4, 20 what's the equation for this sequence and the next no.
Answer by greenestamps(13200)   (Show Source):
You can put this solution on YOUR website!
The question is invalid.
(1) The next number could be anything and it would be a valid sequence.
(2) There are many possibilities for "the equation for this sequence"; the different possibilities will probably produce different next numbers. Any equation you find, or any pattern you find for producing the given numbers, might not be the "right" answer.
Lacking any specific information, in ANY problem like this, about WHAT KIND of sequence it is, the "right" answers cannot be determined.
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