Feedback and error review.

Try this with Mathematics Methods – Foundation

1. Choose one criterion, teacher comment or mark you want to understand.
2. Compare your answer against that criterion and rewrite only the part that missed it.
3. Try the same skill on a fresh task to see whether you can apply the feedback.

Pick a starting point

• Substitution, rearranging formulae and function notation y = f(x)
• Expanding, factorising, completing the square, the quadratic formula and the discriminant
• Pascal's triangle and binomial expansions; factor theorem and sum/difference of cubes for cubics
• Index laws, rational indices, surds, scientific notation and solving index equations
• Gradient, equations of lines, parallel and perpendicular lines
• Turning-point, factorised and general forms; sketching from the signs of a, b, c and Δ