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Straight Line Graphs

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Question 61

The line l1 l_1\,l1​ has the equation 2x+4y+5=02x + 4y + 5 = 02x+4y+5=0

The line l2 l_2\,l2​ passes through the coordinates (1,7)(1, 7)(1,7) and (5,5)(5, 5)(5,5).

Determine, giving full reasons for your answer, whether l1 l_1\,l1​ and l2 l_2\,l2​ are parallel, perpendicular or neither.

[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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