Barb's Geometric Sequence review WS.notebook
April 16, 2015
Review of
Geometric Sequences
Explicit Rule, Sequence, Recursive Rule
EXPLICIT RULE
SEQUENCE
10, ­20, 40, ­80,...
f(n) = 80(1/2)n­1
RECURSIVE RULE
Barb's Geometric Sequence review WS.notebook
EXPLICIT RULE
SEQUENCE
April 16, 2015
RECURSIVE RULE
f(n + 1) = f(n)(4), f(1) = 2 for n > 1 120, 90, 30, 10, ...
EXPLICIT RULE
SEQUENCE RECURSIVE RULE
f(n) = ­8(2)n­1
f(n + 1) = f(n)(­3), f(1) = ­2 for n > 1