Foundation January 2019 Paper 2R Q25
25
(a) Factorise fully \(12d^2e + 16d^2e^2\) (2)
(b) Simplify fully \(\dfrac{15k^4m^3}{5km^2}\) (2)
| Scheme | Marks |
|---|---|
| \(4d^2e(3 + 4e)\) | B2 |
| (2) |
Notes
B2: B1 for correct partial factorisation with at least one correct factor
| Scheme | Marks |
|---|---|
| \(3k^3m\) | B2 |
| (2) | |
| (4 marks) |
Notes
B2: B1 for an answer in the form \(ak^xm^y\) with 2 correct from \(a = 3\), \(x = 3\), \(y = 1\)