GEOMETRIC SEQUENCE, SERIES(finite and infinite), AND MEAN Flashcards

1
Q

sequence of numbers that has a common ration on consecutive numbers

A

geometric sequence

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2
Q

finite geometric series

A

sum of numbers in a geometric sequence that has a last term

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3
Q

infinite geometric series

A

sum of numbers in a geometric sequence that has no last term

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4
Q

formula for geometric sequence

A

a sub n = a sub 1(r)^n-1

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5
Q

sum of numbers in a geometric sequence that has no last term

A

infinite geometric series

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6
Q

formula for finite geometric series

A

s sub n = a sub 1 (1-r^n) / 1-r

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7
Q

sum of numbers in a geometric series that has a last term

A

finite geometric series

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8
Q

a sub n = a sub 1 (r) ^n-1

A

formula for geometric sequence

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9
Q

geometric sequence

A

sequence of numbers that has a common ratio on consecutive numbers

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10
Q

s = a sub 1 / 1-2

A

infinite geometric series formula

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11
Q

geometric mean

A

numbers between two terms in a geometric sequence

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12
Q

formula for geometric mean

A

a sub n = a sub 1 (r) ^n-1

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13
Q

if the common ratio is negative

A

the sequence must alternate to positive and negative

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14
Q

if the exponent is even

A

the answer should have positive and negative sequences

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