Understand and express both direct and inverse proportion using algebraic forms, including linear, square, square root, cube, and cube terms, to determine unknown quantities. Familiarity with the proportional symbol (∝) is necessary.

Quick explanation

Understand and express both direct and inverse proportion using algebraic forms, including linear, square, square root, cube, and cube terms, to determine unknown quantities. Familiarity with the proportional symbol (∝) is necessary

• This point belongs to Proportion, especially Proportion outcomes.
• You need to be able to understand and express both direct and inverse proportion using algebraic forms, including linear, square, square root, cube, and cube terms, to determine unknown quantities. Familiarity with the proportional symbol (∝) is necessary.
• The key ideas to know are Calculate, Determine, and Explain.
• Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.