x-intercept
What x-intercept means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.
Definitions of x-intercept
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Reference: Pearson Edexcel
The point where the line crosses the x axis, found by setting y = 0.
The x-value when y = 0, where the line crosses the x-axis.
A point (r, 0) where the graph crosses or touches the x-axis; r is a real root.
A point where a graph meets the x-axis; its y-coordinate is zero.
Topics that use x-intercept
- Graphs (AQA GCSE)
- Algebra - Graphs (Pearson Edexcel GCSE)
- Algebra - Solving equations and inequalities (Pearson Edexcel GCSE)
Related terms
- completing the square
- Turning point
- Asymptote
- Asymptotes
- Coefficient
- coordinate plane
- Discriminant
- Displacement
Using x-intercept in the exam
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