4MA0 Foundation January 2017 Paper 2R Q22
22
(a) Work out the value of \(y^2 - 3y\) when \(y = -5\) (2)
(b) Simplify \(\dfrac{w^5 \times w^8}{w^4}\) (2)
(c) Write down the inequality shown on the number line.
| Scheme | Marks |
|---|---|
| M1 | |
| 40 | A1 |
| (2) |
Notes
M1: For +25 or +15
| Scheme | Marks |
|---|---|
| \(\dfrac{w^{13}}{w^4}\) or \(w \times w^8\) or \(w^5 \times w^4\) | M1 |
| \(w^9\) | A1 |
| (2) |
Notes
M1: For \(\dfrac{w^{13}}{w^4}\) or \(w \times w^8\) or \(w^5 \times w^4\)
| Scheme | Marks |
|---|---|
| M1 | |
| \(3 \leqslant x \lt 9\) | A1 |
| (2) | |
| (6 marks) |
Notes
M1: For \(x \geqslant 3\) or \(x \lt 9\) or \(3 \lt x \leqslant 9\)
A1: Accept [3, 9) or \(9 \gt x \geqslant 3\)