Quiz 1

Which of the following is an example of a finite sequence?

• 2, 4, 6,...,20

• 10, 15, 20,...

• 3, 4, 5, 6,...

• a, b, c, d,...

Which of the following is an example of a infinite sequence?

• 2, 4, 6,...,20

• a, b, c, d,...

• 1, 2, 3, 4,...10

• 3, 6, 9,...,81

a_n=8n, what is its 3rd term?

• 8

• 16

• 24

• 32

a_n=8n, what is its 1st term?

• 8

• 16

• 24

• 32

a_n=8n, what is its 4th term?

• 8

• 16

• 24

• 32

Given a_n=2n³, what is the first 5 terms of the sequence?

• 2, 3, 4, 5, 6

• 2, 16, 54, 128, 250

• 2, 12, 18, 24, 30

• 2, 8, 18, 32, 50

Given a_n=-2ⁿ, what is the first 5 terms of the sequence?

• -2, -4, -8, -16, -32

• -2, 4, -8, 16, -32

• -2, -22, -23, -24, -25

• 2, 4, 8, 16, 32

Given a_n=2n/5, what is the first 5 terms of the sequence?

• 2, 4, 6, 8, 1

• 2/5, 4/5, 6/5, 8/5, 1

• 2/5, 3/5, 4/5, 1, 6/5

• none of the above

which of the following is an example of an arithmetic sequence?

• 1, 4, 9,...,100

• 5, 10, 15,...

• 8, 16, 32,...,512

• 2, 4, 8, 16,...,128

what is the common difference of the sequence 2, 4, 6, 8, 10,...20

• 2

• 3

• 4

• 5