Chapter 4- Arithmetic/ Geometric Sequences, and Arithmetic series'.

Question 1

Is the the sequence; 1,4,9,16 ... Geometric, Arithmetic, or neither?

Accepted Answer

Neither

Question 2

What is the pattern of the following sequence: 5,7,9,11, .....

Accepted Answer

add 2

Question 3

What is the pattern for the following sequence? -3,2,7,12, ...

Accepted Answer

add 5

Question 4

Is the following sequence Arithmetic or Geometric? 7,3,-1,-5, ......

Accepted Answer

Arithmetic

Question 5

Find the sum ( a1 , an , sn ) of the following series; ∑(5n+3) , with n=1 , upper limit= 70

Accepted Answer

a1 = 8 , an = 353 , sn = 12,635

Question 6

What is the pattern for the following sequence? 1,3,9,27 ...

Accepted Answer

multiply 3

Question 7

Find the nth term of the sequence with; 1,3,5 ... Find a47 . *** ALWAYS start with n=1 ***

Accepted Answer

93

Question 8

Find the sum of the even integers from 2 to 100. With n=50.

Accepted Answer

2550

Question 9

Find the Arithmetic mean for the following sequence; 51,___, ___,___, ___, 1, ___.

Accepted Answer

10

Question 10

The following sequence is Arithmetic; 1,1,2,3,5,8 ... True or False?

Accepted Answer

False

Question 11

Find the summation notation for the following series; -5+2+9+16+...+261+268.

Accepted Answer

∑7n-12 , n=1, upper limit = 40

Questions 11