Mathematics GCSE
direct proportion graph
What direct proportion graph means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of direct proportion graph
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Reference: Pearson Edexcel
A straight line through the origin, whose gradient is the constant multiplier.
Topics that use direct proportion graph
- Ratio, proportion and rates of change (Pearson Edexcel GCSE)
Related terms
- Acceleration
- Applications of ratio in context
- area and volume units
- Asymptote
- average rate of change
- Average speed
- Chord
- comparing quantities
Using direct proportion graph in the exam
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