4MA0 Higher January 2016 Paper 4 Q2
2 \(D = 3e^2 + 4e\)
Work out the value of \(D\) when \(e = -5\)
(2)
| Scheme | Marks |
|---|---|
| \(3 \times (-5)^2 + 4 \times -5\) or \(3 \times (-5)^2 - 20\) or 75 | M1 |
| 55 | A1 |
| (2) |
Notes
M1: for correct substitution, brackets essential