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Straight Line Graphs

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Question 119

The line l1 l_1\,l1​ has gradient 3 and passes through (−1,6)(-1, 6)(−1,6).

a.

Find an equation for l1 l_1\,l1​ in the form y=mx+cy = mx + cy=mx+c

[2]
b.

l2 l_2\,l2​ is perpendicular to l1 l_1\,l1​ and passes through (0,3)(0, 3)(0,3). Find an equation for l2l_2l2​.

[2]
c.

Find the coordinates of the point where l1 l_1\,l1​ and l2 l_2\,l2​ intersect.

[3]
d.

Hence find the area of the triangle enclosed by l1l_1l1​, l2 l_2\,l2​ and the yyy-axis.

[2]
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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