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Quadratics

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Question 43

A projectile path starts at point A on the horizontal x-axis, rises to a maximum, and returns to the x-axis.

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

y=−0.25x2+1.5x−2 y = -0.25x^2 + 1.5x - 2 y=−0.25x2+1.5x−2
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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