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GCSE Mathematics · key term
The value of the unknown that makes an equation true.
Used by AQA, Edexcel and OCR
Specification A17, A19 · Paper 1, Paper 2, Paper 3
Revise: Linear EquationsBoth methods lead to the same solution when carried out correctly.
An ordered pair of values that satisfies both equations at the same time.
Check an algebraic solution by substituting it into the original equation, including any brackets.
For a graphical solution, state an appropriate estimate rather than claiming more accuracy than the graph's scale allows.
Give a complete solution as a coordinate pair or as values for both variables. A value of alone is incomplete.
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Specification A17, A18, A19, A21 · Paper 1, Paper 2, Paper 3
The value of the unknown that makes the two sides of an equation equal.
Revise: Linear EquationsMultiplying or dividing both sides by the same non-zero quantity also preserves it. These operations produce an equivalent equation with exactly the same solution. The non-zero condition matters: division by zero is undefined, while multiplying both sides by zero can destroy information about the original solution.
A value of the unknown that makes an equation true.
A value of that makes an equation true.
A pair of values, such as , that satisfies both equations in a simultaneous pair.
A value, or set of values, that makes an equation or a system of equations true.
Specification 6.03a, 6.03b, 6.03d, 6.04a · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
A value of the unknown that makes both sides of an equation equal.
Revise: Linear EquationsA solution should make the original equation true.
A value of the unknown that makes an equation true. A quadratic equation can have two, one or no real solutions.
A value of the variable that makes an equation true.
A value that makes an inequality true when substituted for the variable.