Foundation June 2023 Unit 2 Q8
8.
(a) Describe in words the rule for continuing each of the following sequences.
(i) 62, 51, 40, 29, … [1]
Rule:
Rule:
(ii) 2, 8, 32, 128, … [1]
Rule:
Rule:
(b) Solve the following equations.
(i) \(4x = 124\) [1]
(ii) \(w + 6{\cdot}9 = 110\) [1]
| Scheme | Marks | Comments |
|---|---|---|
| (i) subtract eleven (from the previous term) | B1 | Accept 'take away 11', '– 11' or ’73 - 11\(n\)’. B0 for \(n\) – 11. |
| (ii) multiply (previous term) by four | B1 | Accept 'times by 4' or '× 4'. B0 for \(n\) × 4 |
| Scheme | Marks | Comments |
|---|---|---|
| (i) (\(x\) =) 31 | B1 | Accept embedded answers, unless contradicted. |
| (ii) (\(w\) =) 103.1 | B1 | Accept embedded answers, unless contradicted. |