Chapter 8 formulas

Question 1

Arithmetic recursive rule:

Answer 1

A1=#, an = a lowercase n-1 + d

Question 2

Arithmetic explicit rule:

Answer 2

An=a1+r(n-1)

Question 3

Arithmetic series formula sum:

Answer 3

(A1+an/2) * n

Question 4

Geometric recursive rule:

Answer 4

A1=#, an= a lowercase n-1 * r

Question 5

Geometric explicit formula:

Answer 5

An= a1 (r)^ n-1

Question 6

Geometric series with number on top formula:

Answer 6

Sn= A1(1-r^n / 1-r)

Question 7

Geometric series with infinity on top formula:

Answer 7

S= a1/1-r

Question 8

Arithmetic recursive formula is used when …..

Answer 8

Write the first blank terms

Question 9

Arithmetic explicit rule is used when…..

Answer 9

1.) write a rule for arithmetic sequence
2.) write explicit rules FOR ARITHMETIC

Question 10

Arithmetic series formula sum is used when…..

Answer 10

1.) add the infinite series
2.) calculate the sum
3.) ONKY USED JN ARITHMETIC SERIES NO EXPONENTS

Question 11

Geometric recursive rule is used when……

Answer 11

1.) write the first blank terms for a geometric sequence

Question 12

Geometric explicit formula is used when….

Answer 12

1. Write a rule for the nth term of geometric sequence
   2.) explicit rule of geometric sequence

Question 14

Geometric series with number on top formula is used when…..

Answer 14

1.) calculate the series of a geometric series
2.) find the sum (of geometric series with number on top)
EXAMPLE OF A GEO. SERIES: 3(2)^N-1

Question 15

Geometric series with infinity on top formula is used when…..

Answer 15

1.) calculate the series (infinity on top of geo series)
2.) find the sum

Question 16

Arithmetic:

Answer 16

D

Question 17

Geometric:

Answer 17

R