zero product rule
What zero product rule means in Mathematics GCSE, as defined for Pearson Edexcel.
Definitions of zero product rule
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Reference: Pearson Edexcel
If a product is zero, at least one factor must be zero, so each bracket is set equal to zero to form separate linear equations.
If a product of real numbers is zero, at least one factor is zero: AB = 0 implies A = 0 or B = 0.
Topics that use zero product rule
- Algebra - Solving equations and inequalities (Pearson Edexcel GCSE)
Related terms
- Algebraic modelling of real-world situations
- Approximate solution
- Coefficient
- completing the square
- Defining variables and interpreting solutions
- Discriminant
- Elimination
- Factor
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