Difference of Two Squares

Key term for OCR GCSE Mathematics, used in Function Graphs.

Definition

A factorisation pattern for expressions like x² - k², which factorise directly into (x - k)(x + k).

Exam Context

Difference of Two Squares appears in OCR GCSE Mathematics revision content for Graphs of Equations and Functions, especially Function Graphs and Sketching Polynomials.

Graphs of Equations and Functions Function Graphs Sketching Polynomials

Found in Revision Notes

Graphs of Equations and Functions

Quadratic Graphs: Roots and Turning Points

Function Graphs • Sketching Polynomials

Revise note

Related Key Terms

Axis of symmetry Completing the square Discriminant Null factor law

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