Linear equation
What Linear equation means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.
Definitions of Linear equation
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Reference: AQA
An equation whose graph is a straight line, with variables appearing only to the first power, for example ax + by = d with a and b not both zero.
An equation in which the variables occur to the first power and are not multiplied by one another; its two-variable graph is a straight line.
Topics that use Linear equation
- Graphs (AQA GCSE)
- Algebra - Solving equations and inequalities (Pearson Edexcel GCSE)
Related terms
- Coefficient
- completing the square
- Substitution
- Tangent
- Turning point
- x-intercept
- Algebraic modelling of real-world situations
- Approximate solution
Using Linear equation in the exam
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