Linear Graphs & Gradients: Edexcel GCSE 1MA0 Higher November 2015 Paper 2 Q17

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1MA0 Higher November 2015 Paper 2 Q17

EdexcelHigherOld spec3 marksLinear Graphs & Gradients

17 \(\mathbf{L}_1\) and \(\mathbf{L}_2\) are parallel lines.

The equation of \(\mathbf{L}_1\) is \(y = 3x + 2\)

\(\mathbf{L}_2\) passes through the point (3, 4).

Find an equation for \(\mathbf{L}_2\). (3)

Mark scheme

Answer	Mark	Notes
\(y = 3x - 5\)	3	M1 for recognition that the gradient of \(\mathbf{L}_2\) is 3 M1 for substitution of \(x = 3\) and \(y = 4\) into \(y = \text{``}m\text{''}x + c\) A1 \(y = 3x - 5\) oe (SC B2 for \(3x - 5\) or \(\mathbf{L}_2 = 3x - 5\))