Skip to content

Course home

Sign up

Straight Line Graphs

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148
Question 90

The line l1 l_1\,l1​ has equation 2y+4x−3=02y + 4x - 3 = 02y+4x−3=0 The line l2 l_2\,l2​ has equation y=mx+4y = mx + 4y=mx+4, where m m\,m is a constant. Given that l1 l_1\,l1​ and l2 l_2\,l2​ are perpendicular.

a.

Find the gradient of l1l_1l1​.

[2]
b.

Hence find the value of mmm.

[1]
c.

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

[3]
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.

Question bank