Irene C.

asked • 07/07/13

What is the next number in the sequence 3,9,-1,-4,-15

can't find a pattern. can you help

 

3 Answers By Expert Tutors

By:

Robert J. answered • 07/07/13

Certified High School AP Calculus and Physics Teacher

Johnny R. answered • 07/07/13

Exceptional Math and Accounting Tutor

Peter G.

tutor

Hi Jonny.


This makes sense except for the fact that the multiplier should be "6" for this line as "5" has already been used:

-87 x 5 = -522 (multiplication, increasing multiplier by 1)

should be

-87 X 6 = -522


Thus the remainder of the problem needs to be adjusted.

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07/07/13

James P. answered • 07/07/13

Slightly Epic Math Tutoring

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