Back to Edexcel Maths Higher June 2018 Paper 1 Home
​Q19: Question – Paper 1 – June 2018

​Helpful Links

Content:

• Perpendicular Lines
• Gradient with Unknowns (very similar technique to this)​

Quizzes:

• Perpendicular Lines​
• Gradient with Unknowns

---

Question

19)
​The point P has coordinates (3, 4)
The point Q has coordinates (a, b)

A line perpendicular to PQ is given by the equation    3x + 2y = 7

Find an expression for b in terms of a.

[5 marks]

Show answers