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Quadratics

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Question 23

A projectile diagram with Cartesian axes, a point A on the positive x-axis, and a dashed rising curve.

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

y=−0.25x2+1.25x−1 y = -0.25x^2 + 1.25x - 1 y=−0.25x2+1.25x−1
a.

Find the coordinates of the point AAA

[3]
b.

Find the distance from A A\,A that 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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