Arithmetic Sequence

Which of the following is next to 12 , 15 ,18 ...?

• 19

• 20

• 21

• 22

Describe the pattern in the sequence. Find the next three terms.

13, 15, 17, 19,...

• Add 2; 23, 25, 27

• Multiply by 2; 38, 76, 152

• Add -2; 17, 15, 13

• Add 2; 21, 23, 25

How many of these sequences have a common difference of -4?

• 0

• 1

• 2

• 3

In the sequence 1, 4, 7, 10, 13, what number is in the 4th term

• 4

• 7

• 10

• 13

Given the sequence 2, 9, ___, 23, 30,... what is the 3rd term?

• 10

• 12

• 14

• 16

What is the 8th term in the sequence 3, 7, 11,...?

• 23

• 27

• 31

• 35

What is the next term in the sequence -15, -11, -7,...?

• -2

• -3

• -4

• -5

What are the next 2 terms:
12.7, 19.2, 25.7, 32.2...

• 38.7 and 45.2

• 38.4 and 44.6

• 37.7 and 42.2

150, 155, 160, 165, .............. . The missing number is;

• 170

• 175

• 180

19   20   21   _______

• 22

• 18