Quiz: Sequences and Series

Which of the following is a finite sequence?

• 20, 30, 40, …, 200

• 3, 5, 7, …

• …, -3, -2, -1, 0, 1, 2

• The factors of 100

What is the 5^th term of the sequence with the formula a_n = (-2)ⁿ – 2ⁿ ?

 

• 0

• 32

• -32

• -64

Given: 14, 17, 31, …What is the next term of the sequence?

• 48

• 45

• 37

• 34

A brick wall has 60 bricks in the first row, but each row has 3 fewer bricks than the previous one. How many bricks are in the 12th row?

• 32

• 30

• 27

• 24

What is the sum of the first 20 perfect squares?

• 3,311

• 2,870

• 2,479

• 1,240

• 92

• 51

• 15

• 4