Foundation June 2022 Paper 2 Q7
7
(a) Multiply out.
\(5(x + 2)\) [1]
(b) Rearrange this formula to make \(r\) the subject.
\(p = 3r - 5\) [2]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(5x + 10\) final answer | 1 | ||
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(r = \dfrac{p + 5}{3}\) or \(r = \dfrac{p}{3} + \dfrac{5}{3}\) | 2 | M1 for \(p + 5 = 3r\) or for \(\dfrac{p}{3} = r - \dfrac{5}{3}\) or for answer \(\dfrac{p + 5}{3}\) or \(\dfrac{p}{3} + \dfrac{5}{3}\) or for correct step to answer after incorrect first step shown | |