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

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Question 75

Worldwide CO2 emissions in 1990 were 22.5 billion tonnes.

Worldwide CO2 emissions in 2010 were 33.6 billion tonnes.

Given that A A\,A billion tonnes is the CO2 emissions n n\,n years after 1990.

a.

Using a linear model, form an equation linking A A\,A with nnn.

[3]
b.

In 2016 worldwide CO2 emissions were 35.7 billion tonnes.

Comment on the suitability of your model in light of this information

[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.

Question bank