SOLUTION: Write the equation for the general term of the sequence {-2, 4, -8, 16 . . . }.

SOLUTION: Write the equation for the general term of the sequence {-2, 4, -8, 16 . . . }.

Algebra.Com

Question 996525: Write the equation for the general term of the sequence {-2, 4, -8, 16 . . . }.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Notice how each term goes up by a factor of -2?
This is a geometric sequence.
a-sub-1 = -2
In general, then
a-sub-n = (-2)^n
RELATED QUESTIONS
What is the general term for sequence 2, -4, 8, -16, 32, ... (answered by math_helper,ikleyn)

write an equation for the nth term of the geometeric sequence 9/16, 3/8, 1/4. Find... (answered by unlockmath)

Write the general term for the following sequence: -2, 3, 8, 13, 18,... (answered by ikleyn)

Write the general term for the following sequence: 1, 1, 2, 3, 5, 8,... (answered by chen.aavaz)

Write the general term of the following sequence: -2, 3, 8, 13, 18,... (answered by MathLover1)

Write the general term of the sequence (-2, -5, -8, -11, ...) (answered by ikleyn)

The first 4 terms in a number sequence are 2, 5, 8, 11, ... (a) Find the Nth term (b)... (answered by josgarithmetic)

The first 4 terms in a number sequence are 2, 5, 8, 11, ... ... (a) Find the Nth term... (answered by josgarithmetic)

The first 4 terms in a number sequence are 2, 5, 8, 11, ... ... (a) Find the Nth term... (answered by ikleyn)