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Parametric Equations

Parametric Equations

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Question 155

A curve has the parametric equations

x=2t+1,y=t2−1 x = 2t + 1, \quad y = t^2 - 1 x=2t+1,y=t2−1
a.

Verify that the curve crosses the coordinate axes at (3,0)(3, 0)(3,0), (−1,0)(-1, 0)(−1,0) and (0,−0.75)(0, -0.75)(0,−0.75)

[4]
b.

Verify that dydx=x−12\displaystyle \frac{dy}{dx} = \frac{x-1}{2}dxdy​=2x−1​

[3]
Markscheme

Parametric Equations Questions

  1. A Level
  2. /Maths
  3. /Parametric Equations

215 exam-style questions on Edexcel A Level Maths Parametric Equations, covering 8.1 Parametric Equations, 8.2 Using Trigonometric Identities, 8.3 Curve Sketching, 8.4 Points of Intersection, and 8.5 Modelling with Parametric Equations. Each one has a worked solution and a mark scheme showing where the marks go.

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