Summative Test

What is the next term in the sequence 324, -108, 36,…?

• 4

• -4

• -12

• 12

What is the general term of the sequence 5, 8, 11, 14, …?

• a_n = n + 4

• a_n = 3n + 2

• a_n = 2n + 3

• a_n = n²

Which sequence is arithmetic?

• 1, 4, 16, 64,…

• 3, 6, 11, 18,…

• 2, 4, 6, 8,…

• 1, 1/3, 1/9, 1/27,…

How many terms are there in an arithmetic progression whose first and last terms are 4 and 60 respectively, and common difference is 4?

• 14

• 15

• 16

• 17

The first term of an arithmetic sequence is 6 and the 14^th term is 97. What is the common difference of the sequence?

• 7

• 6

• 5

• 4

If the first term of an arithmetic sequence is -2 and the fifth term is 22, find the second arithmetic mean.

• 7

• 8

• 9

• 10

The sum of the first five terms in the sequence 3, 6, 9, 12, 15,… is:

• 35

• 40

• 45

• 50

What is the sum of all positive integers less than 100 that are multiples of 7?

• 735

• 742

• 749

• 756

Find the sum of all even integers between 5 and 25.

• 146

• 148

• 150

• 152

Which sequence is geometric?

• 12, 13, 25, …

• 5, 13, 21, …

• 64, 16, 4…

• 1/5,1/8,1/11,