TopMyGrade

Home·Daily Problem

Daily Problem·Monday, 11 July 2022Back to today

Compare coefficients to find unknowns

GCSE · Mathematics · Edexcel · A6 — Distinguish equations, identities, formulae; argue with algebraic equivalence

Question

Edexcel Paper 2H — Higher

The expression a(x + 2)² − b is identically equal to 5x² + 20x + 13.

Find the values of a and b. (5 marks)

5 marks · take your time before peeking.

Sign up to try the next 30 problems

Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.

Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.