Explicit and Recursive Sequences Formulas

Given the following sequence and a_n = 7, what is a_n+1?

2, 7, 12, 17,...

• 2

• 12

• 17

• 22

Given the following sequence, what is a₅?

2, 7, 12, 17,...

• 2

• 12

• 17

• 22

Find the first four terms of the sequence.

• 21, 28, 35, 42

• 7, 9, 11, 13

• 9, 16, 23, 30

• 16, 23, 30, 37

Find the first four terms of the sequence.

• 12, 48, 192, 768

• 12, 144, 1728, 20736

• 12, 24, 36, 48

• 3, 12, 48, 192

Which statement is true about this formula?

• It is an EXPLICIT formula. The first four terms are -1,2,7,14

• It is a RECURSIVE formula. The first four terms are -2,2,0,-2

• It is an EXPLICIT formula. The first four terms are -1,-3,7,47

• It is a RECURSIVE formula. The first four terms are -2,-6,-18,-36

Find the first four terms of the sequence. a_n= a_(n-1) - 18 where a₁=10

• 18, 8, -2, -12

• 28, 46, 64, 82

• -8, -26, -44, -60

• 10, -8, -26, -44

Find the first four terms of the sequence.

a_n+1= a_n + 9 where a₁= -2

• -2, -11, -20, -29

• 9, 7, 5, 3

• -2, 7, 16, 25

• 9, 18, 27, 36

Find the first four terms of the sequence.

a_n= 2a_(n-1) + n where a₁= 0

• 0, 0, 0, 0

• 0, 1, 4, 12

• 0, 1, 2, 4

• 0, 2, 4, 8

Given the following sequence and a_n-1 = 7, what is a_n?

2, 7, 12, 17,...

• 2

• 12

• 17

• 22

Find the first four terms of the sequence. a_n= a_(n-1) - 18 where a₁=10

• 10, 8, -2, -12

• 28, 46, 64, 82

• -8, -26, -44, -60

• 10, -8, -26, -44