Arithmetic Sequences Day 2

Front

Which of the following is an example of an arithmetic sequence? Options: 4, 8, 16, 32, 64; 1, 2, 4, 7, 11; 15, 13, 11, 9, 7; 3, 6, 12, 24, 48

Back

15, 13, 11, 9, 7

Front

Which sequence is NOT an arithmetic sequence?

-7, -13, -19, -25,...

,

-10, -6, -2, 2,..

,

6, 8, 10, 12,...

,

3, 15, 75, 375,...

Back

3, 15, 75, 375,... is not an arithmetic sequence.

Front

First three terms of an arithmetic sequence: 13, 19, 25. What are the next two terms?

Back

31 and 37

Front

First three terms of an arithmetic sequence: 3, -4, -11. Find the next two terms.

Back

-18 and -25

Front

What is the common difference of the sequence 2, -1, -4, -7,...?

Back

-3

Front

What is the common difference of the sequence: 7, 27, 47, 67,...?

Back

20

Front

Which of the following is the correct formula in finding the nth term of an arithmetic sequence?

a_n = a₁ + (n - 1)d

,

a_n = a₁ + (n + 1)d

,

a_n = a₁ - (n - 1)d

,

a_n = a₁ +- (n + 1)d

Back

a_n = a₁ + (n - 1)d

Front

What is a₁ in the following sequence? -6, -14, -22, -30, ...

Back

-6

Front

If the sequence 6, 11, 16, 21 continues, what will be the 9^th term?

Back

46

Front

Find the 59th term of the arithmetic sequence 26, 17, 8, ...

Back

-496