GCSE Maths (Edexcel)

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Deriving Equations

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Algebra Solving Equations and Inequalities

Deriving Equations

6:22 Deriving Equations
Spec A21
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  • Equations are mathematical statements involving an equal sign that can be used to solve problems and find unknown information.
  • Equations can be set up to represent real-life situations.
  • Variables are used to represent unknown quantities in equations.
  • Equations can be rearranged to solve for the unknown variables.
  • Quadratic and other nonlinear equations may appear on higher tier papers.
  • Perimeter of a rectangle can be calculated using the formula 2L + 2W.
  • The price of one shelf can be found by setting up an equation based on the given information.

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