Foundation June 2019 Paper 2 Q28
28 Here are the first five terms of a Fibonacci sequence.
3 3 6 9 15
(a) Write down the next two terms of the sequence. (1)
The first three terms of a different Fibonacci sequence are
\(a\qquad a\qquad 2a\)
(b) Find the 6th term of this sequence. (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| 24, 39 | B1 | cao |
| Answer | Mark | Mark scheme |
|---|---|---|
| \(8a\) | M1 | for a complete method to find the next 2 terms, eg. \(a + 2a\ (= 3a)\) and \(2a + \text{``}3a\text{''}\ (= 5a)\) |
| A1 | \(8a\) oe |
Additional guidance
SC: B1 for 3, 5, 8 seen if M0 scored