You will often find that you need to find the equation of a line given a point on the line and the gradient.

Rule to remember:

  • y - {y_1} = m(x - {x_1})
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Equation of a line (alternative form) : ExamSolutions Maths Revision

Comparing y=mx+c to this new method

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Equation of a line : Comparing methods : ExamSolutions Maths Revision