1MA0 Higher June 2015 Paper 2 Q17
17 The line \(\mathbf{N}\) is drawn below.
Find an equation of the line perpendicular to line \(\mathbf{N}\) that passes through the point (0, 1). (3)
| Working | Answer | Mark | Notes |
|---|---|---|---|
| Gradient of N = 3 Gradient of perpendicular to line N = \(-\tfrac{1}{3}\) | \(y = -\dfrac{1}{3}x + 1\) | 3 | M1 for complete method to find gradient of line N or for drawing a perpendicular line M1 for method to find the gradient of a perpendicular line A1 \(y = -\dfrac{1}{3}x + 1\) oe |