Mathematics A-Level
point-slope form
What point-slope form means in Mathematics A-Level, as defined for WJEC.
Definition of point-slope form
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Reference: WJEC
The form y − y₁ = m(x − x₁) directly generates the equation of a line passing through a known point with known gradient.
Topics that use point-slope form
Related terms
- angle in a semicircle
- linear modelling
- perpendicular bisector of chord
- rate of change
- tangents and normals
- centre and radius
- circle equation
- completing the square for circles
Using point-slope form in the exam
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