factor:  one of two or more expressions that are multiplied together.

factor theorem:  If P(x) is a polynomial, then if P(r) = 0, then (x - r) is a factor of P(x).

factorial:  the product of all the integers from 1 up to the integer in question.  The (!)

exclaimation point is used to mean factorial.

Fibonacci Sequence:  1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377....   The sequence

in which every number is the sum of the two preceding numbers

G

geometric mean:   the geometric mean of two numbers is the square root of the product of

                              the

numbers.    The geometric mean of n numbers is the nth root of the

product   of the numbers.

geometric sequence:   a sequence of numbers of the form   a, ar, ar², ar³,....., ar^n-1.

geometric series:  the sum of a geometric sequence.

graph:   the graph of an equation is the set of points that make the equation true.

great circle:   the circle formed by the intersection of a plane passing through the center of                       
                      a  sphere.

greatest common factor:   the greatest common factor of two numbers, a and b, is the

                                           largest  number that divides both a and b evenly.

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