Graphs 1
2 marks · NormalA straight line passes through the points (–2, 6) and (4, –6). Work out the gradient of the line.
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-2 (±0.01)
Common mistakes: Confusing order of subtraction in the gradient formula; Sign errors
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Marking points
M1 · 1 mark · Attempts or equivalent
A1 · 1 mark · Obtains gradient = –2 (follow-through)
Worked solution