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1.6 C: Coordinate geometry in the (x, y) plane

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Question 72

The line l1 l_1\,l1​ has equation 2y+4x+7=02y + 4x + 7 = 02y+4x+7=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 value of mmm.

[2]
b.

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

[3]

1.6 C: Coordinate geometry in the (x, y) plane Questions

  1. A Level
  2. /Maths
  3. /1.6 C: Coordinate geometry in the (x, y) plane

Practise AQA A Level Maths 1.6 C: Coordinate geometry in the (x, y) plane with exam-style questions for A Level Maths. 110 questions covering 1.6.1 Equation of a straight line, 1.6.2 Coordinate geometry of the circle, 1.6.3 Parametric equations of curves (A-level only), and 1.6.4 Parametric equations in modelling (A-level only), matched to the AQA A Level Maths (7357) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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