GCSE Maths (Edexcel)

435 videos | 33 hours

Defining Equations

Please subscribe to watch this video.

This, and all other videos, are included in our premium subscriptions.

Premium accounts get access to all videos.

Algebra Solving Equations and Inequalities

Defining Equations

7:43 Linear Equations
Spec A3 A6
Previous Circle-Tangent Equation Next Solving Linear Equations
  • An equation is an equality between two mathematical expressions that is only true when the variables take certain values
  • Solving an equation involves finding the values of the variables that satisfy the equality
  • The solution to an equation is the point where the graphs of the two expressions meet
  • There can be multiple solutions to an equation
  • Equations are different from formulas and identities
  • Formulas have an infinite number of possible values for the variables that make the expressions equal
  • Identities are true for all values of the variable

Please subscribe to access these revision notes.

This, and all other video notes, are included in our premium subscriptions.

Premium accounts get access to all videos and revision notes.