1MA0 Higher June 2014 Paper 1 Q19
19 The diagram shows a straight line, \(\mathrm{L}_1\), drawn on a grid.
A straight line, \(\mathrm{L}_2\), is parallel to the straight line \(\mathrm{L}_1\) and passes through the point \((0, -5)\).
Find an equation of the straight line \(\mathrm{L}_2\). (3)
| Answer | Mark | Notes |
|---|---|---|
| \(y = \dfrac{1}{2}x - 5\) | 3 | M1 for method to find gradient of \(\mathrm{L}_1\) e.g \(\dfrac{6 - 3}{6 - 0}\) \(\left(= \dfrac{1}{2}\right)\) M1 for \(y = \text{``}\dfrac{1}{2}\text{''}x + c\) or \(y = mx - 5\) (\(c\), \(m\) do not have to be numerical, or correct numerical values) or for \((L =) \dfrac{1}{2}x - 5\) A1 \(y = \dfrac{1}{2}x - 5\) oe |