Foundation November 2024 Paper 2 Q19
19
(a) Factorise fully \(\quad 15w^2 - 5w\) (2)
(b) On the number line below, show the set of values of \(x\) for which \(\;-2 \lt x \leqslant 4\)
| Answer | Mark | Mark scheme |
|---|---|---|
| \(5w(3w - 1)\) | B2 | for \(5w(3w - 1)\) |
| (B1 | for \(5(3w^2 - w)\) or \(w(15w - 5)\) or \(5w(aw - b)\) where \(a\) and \(b\) are integers or \((3w - 1)\) as a factor) |
| Answer | Mark | Mark scheme |
|---|---|---|
 | M1 | for drawing a line from \(-2\) to 4 or for an open circle at \(-2\) or for a closed circle at 4 |
| A1 | cao |