Sequences

Identify the common difference.

• 4

• 3

• -4

• -3

Write a recursive formula for the following sequence: 10, 5, 0, -5,...

• a₁= 10

  a_n= a_n-1 - 5

• a₁= 10

  a_n= a_n-1 + 5

• a₁= 10

  a_n= a_n (5)

• a₁= 10

  a_n= a_n-1 (5)

Which is an arithmetic sequence?

• 1, 3, 5, 7, 9, ...

• 1, 2, 4, 8, 16, 32, ...

• 1, 1, 2, 3, 5, 8, 13, ...

What does a₁ represent?

• Any term

• First term

• Last term

Which of the following equations is recursive?

• f(n) = f(n-1) +4

• f(n) = 2n - 5

Is the following sequence linear or non-linear?

4, 7, 10, 13...

• Linear

• Non-linear

Is the following sequence linear or non-linear?

330, 430, 530, 630...

• Linear

• Non-linear

What is the Rule for this sequence?
3, 7, 11, 15, ...

• +6

• +5

• +4

• +2

What is the Rule for this sequence?
97, 86, 75, 64, ...

• +8

• +11

• -11

• -8

Find the next three terms in the arithmetic sequence: 25, 34, 43, 52, ...

• 63, 72, 81

• 79, 88, 97

• 70, 79, 88

• 61, 70, 79