Quadratic Equations — Tricky Ones (Edexcel GCSE Maths): Flashcards

Quadratics disguised as different problem types

Pattern recognition

Hidden quadratic

Dimensions contain variables

Reject - physically impossible

Quadratics after eliminating fractions

Multiply through by appropriate terms

Use quadratic formula, not factoring

$ax^2 + bx + c = 0$

Identify, to std form, solve, interpret

Solutions make physical sense

$A = \text{length} \times \text{width}$