Graphs 2
2 marks · EasyFind the gradient of the straight line passing through the points $(1, 2)$ and $(5, 10)$.
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2 (±0)
Also accept: 2.0
Common mistakes: -2; 0.5
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Marking points
M1 · 1 mark · Uses formula $m = \frac{y_2 - y_1}{x_2 - x_1}$.
A1 · 1 mark · Arrives at the answer $2$.
Worked solution
Gradient $m = \frac{10 - 2}{5 - 1} = \frac{8}{4} = 2$.