Arithmetic Sequences and Series and Geometric Sequences

Identify the common difference or ratio.

3, 7, 11, 15, ...

• Ratio, -4

• Difference, -4

• Difference, 4

• Ratio, 4

What is the next term of this arithmetic sequence 3, 6, 9, 12?

• 13

• 14

• 15

• 16

What is the common difference of this arithmetic sequence? 1,4,7,10,...

• 3

• 2

• 4

• 5

What is NOT true about the following arithmetic sequence:

• The common difference is 7.

• The 7th term is 60.

• The 6th term is 60.

• The general rule is a(n) = 18 + 7n.

Work out the missing terms in this arithmetic sequence: ____ , 18 , ___ , 8 , 3 , ___ , -7 , -12 ...

• 23, 13 , -2 ,

• -5 , -10,-15

• 23 , 13 , 5

• 20 , 15 , 10

Which of the following is an arithmetic sequence?

• 2,3,5,8

• 2,7,12,17

• 1,1,2,3,5

• 2,4,8,16

What is the 10th term of this sequence? 2,4,6,8...

• 16

• 18

• 22

• 20

Which of the following algebraic expressions best describes the nth term of the arithmetic sequence? 7, 9, 11, 13,...

• 2 + 5n

• 5 + 2n

• 7n

• n + 5

Which of the following algebraic expressions best describes the nth term of the arithmetic sequence? -1, 3, 7, 11,...

• 5n - 4

• 4n - 5

• 4n + 5

• 4n - 1

Which of the following is not an arithmetic sequence.

• 1,2,3,4,5

• 3,9,27,81

• 4.5 , 5.0 , 5.5 , 6.0,...

• 13, 2, -9 , -20, -31