vocab - Ch. 12, Sequences and Series

Question 1

summation formula for constant rules

Answer 1

nc

Question 2

summation formula for linear rules

Answer 2

n(n+1)/2

Question 3

summation formula for quadratic rules

Answer 3

n(n+1)(2n+1)/6

Question 4

nc

Answer 4

summation formula for constant rules

Question 5

n(n+1)/2

Answer 5

summation formula for linear rules

Question 6

n(n+1)(2n+1)/6

Answer 6

summation formula for quadratic rules

Question 7

formula for finding the nth term of an arithmetic sequence

Answer 7

a_1 + (n-1)d

Question 8

formula for finding the sum of terms of an arithmetic series

Answer 8

n(a_1+a_n/2)

Question 9

a_1 + (n-1)d

Answer 9

formula for finding the nth term of an arithmetic sequence

Question 10

n(a_1+a_n/2)

Answer 10

formula for sum of terms of an arithmetic series

Question 11

formula for finding the nth term of a geometric sequence

Answer 11

a_1r^n-1

Question 12

formula for finding the sum of terms of a geometric series

Answer 12

a_1(1-r^n/1-r)

Question 13

a_1r^n-1

Answer 13

formula for finding the nth term of a geometric sequence

Question 14

a_1(1-r^n/1-r)

Answer 14

formula for finding the sum of terms of a geometric series

Question 15

formula for finding the sum of an infinite geometric series that converges

Answer 15

a_1/1-r

Question 16

a_1/1-r

Answer 16

formula for finding the sum of an infinite geometric series that converges