When a straight fit fails

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• 7 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. The graph of a quadratic
2. Roots from the x-axis
3. A horizontal line on a parabola
4. A line and a quadratic
5. The graph of a cubic
6. Solving a cubic from its graph
7. A line and a cubic
8. Average rate from a chord
9. Rate from a drawn tangent
10. A line of best fit
11. When a straight fit fails
12. Plotting y against x squared
13. Plotting y against 1/x
14. A power law on log axes
15. Centre, radius and equation
16. Drawing a circle and a parabola