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Straight Line Graphs

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Question 87

Point C C\,C has coordinates (1,c)(1, c)(1,c) and point D D\,D has coordinates (d,5)(d, 5)(d,5).
The perpendicular bisector of CD CD\,CD has equation 2y+x=82y + x = 82y+x=8.

a.

Find the gradient of CDCDCD.

[1]
b.

Hence find c c\,c and ddd.

[4]
Markscheme

Straight Line Graphs Questions

  1. A Level
  2. /Maths
  3. /Straight Line Graphs

260 exam-style questions on Edexcel A Level Maths Straight Line Graphs, covering 5.1 y = mx + c, 5.2 Equations of Straight Lines, 5.3 Parallel and Perpendicular Lines, 5.4 Length and Area, and 5.5 Modelling with Straight Lines. Each one has a worked solution and a mark scheme showing where the marks go.

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