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Quadratics

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Question 85

The path of a projectile, projected from the point AAA, can be modelled by the equation

y=−0.25x2+px+q y = -0.25x^2 + px + q y=−0.25x2+px+q

The point A A\,A has coordinates (3,0)(3, 0)(3,0) and the projectile hits the ground at a distance 2.5 from AAA.

a.

Find the values of p p\,p and qqq

[3]
b.

Find the coordinates of the point where the projectile hits the ground.

[1]
c.

Calculate the maximum vertical height of the projectile

[4]
Markscheme

Quadratics Questions

  1. A Level
  2. /Maths
  3. /Quadratics

322 exam-style questions on Edexcel A Level Maths Quadratics, covering 2.1 Solving Quadratics, 2.2 Completing the Square, 2.3 Sketching Quadratic Graphs, 2.4 The Discriminant, and 2.5 Modelling with Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.

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