Sequences

Find a formula for the nth term of the sequence:

11, 15, 19, 23, 27, ...

• 5n + 6
• 3n + 8
• 4n + 7
• 2n + 10

Find a formula for the   term of the sequence:

105, 101, 97, 93, 89, ...

• 105 + 4(n - 1)
• 100 - 4n
• 110 - 4(n + 1)
• 105 - 4(n - 1)

Find a formula for the   term of the sequence:

     -104, -102, -100, -98, -96, ...

• 2n - 100
• 2n - 104
• 2n - 106
• 2n - 108

Find the first four terms of the sequence given:

   nth term =  5n - 4

• 1, 6, 11, 16

• 0, 5, 10, 15

• 2, 7, 12, 17

• 3, 8, 13, 18

Find the first four terms of the sequence given:

   nth term =  32 - 3n

• 28, 25, 22, 19

• 29, 26, 23, 20

• 30, 27, 24, 21

• 32, 29, 26, 23

Here are the first five terms in a number sequence: 7 10 13 16 19

Find the 10th term in this number sequence.

• 30
• 34
• 25
• 40

A number sequence has nth term 6n + 3. Sara says that 1008 is a term in this sequence.

• Yes
• No
• 1008 is a multiple of 6
• 1008 is the first term

A sequence of numbers is shown: 1, 5, 9, 13, 17, ...

Find the 95th term of the sequence.

• 377
• 383
• 367
• 373

An auditorium has 20 seats on the first row, 24 seats on the second row, 28 seats on the third row, and so on and the auditorium has 30 rows of seats. How many seats are in the theatre?

• 2340
• 2500
• 2400
• 2200

Suppose you go to work for a company that pays Rupiah 1 on the first day, Rupiah 2 on the second day, Rupiah 4 on the third day and so on. If the daily wage keeps doubling, what will your total income be for working 31 days?

• 2147483647 Rupiah
• 4294967295 Rupiah
• 1073741823 Rupiah
• 2147483646 Rupiah