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Edexcel IGCSE Math A Higher 3.3 Hg Parallel and Perpendicular Line Equations Questions

Practise parallel-line questions by extracting the gradient, changing it when perpendicular and substituting a point to find the intercept.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Higher

Exam points

  • Use the same gradient for a line parallel to the given straight line equation.
  • Use the negative reciprocal gradient when a perpendicular line is required.
  • Substitute the given point into y = mx + c to find the line's intercept.

Edexcel IGCSE Math A Higher 3.3 Hg Parallel and Perpendicular Line Equations Questions question 1

[Maximum number: 1]

Point A has coordinates (5,8)
Point B has coordinates (9,-4)

Write down the gradient of a straight line that is perpendicular to L.

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