Parametric equationsEdexcel International A Level Maths: Mind map
Parameter
Points
To Cartesian
Parametric equations
$x=f(t),\ y=g(t)$
parametereliminatepoints
Trig curves
To parametric
Exam tips
Exam questions on Parametric equations
- A curve has parametric equations , , where is a real parameter.Find the coordinates of the points where meets the line .2 marks
- A curve has parametric equations , , for .Find the coordinates of the points where meets the -axis.2 marks
- A ball is thrown so that, seconds later, its horizontal distance is metres and its height is metres, for until it lands.Find a Cartesian equation of the path of the ball, in the form .3 marks
Written by the Exaim team, led by Shaun Daswani (Head of Upper Secondary, Improve ME Institute; MSc Financial Mathematics, Imperial College London; BSc, UCL) and Jason Daswani (operational lead, Improve ME Institute; LSE).