Foundation November 2019 Paper 2 Q9
9.
(a)
(i) Simplify \(9a - 1 - 6a + 8\). [2]
(ii) Expand \(3(x + 2)\). [2]
(b)
Solve each of the following.
(i) \(x + 6 = 15\) [1]
(ii) \(\dfrac{y}{7} = 6\) [1]
(c)
\(v = u + at\)
Find \(v\) when \(u = -2\), \(a = 6\) and \(t = 3\). [2]
| Scheme | Marks | Comments |
|---|---|---|
| (i) \(3a + 7\) or equivalent | B2 | B1 for either \(7 \pm \ldots\) or \(3a \pm \ldots\) |
| (ii) \(3x + 6\) | B2 | B1 for either \(3x + \ldots\) or \(\ldots + 6\) |
| Scheme | Marks | Comments |
|---|---|---|
| (i) (\(x\) =) 9 | B1 | Accept embedded answers |
| (ii) (\(y\) =) 42 | B1 | Accept embedded answers |
| Scheme | Marks | Comments |
|---|---|---|
| -2 + 6 x 3 | M1 | |
| =16 | A1 | |
| (8) |