GCSE Maths (AQA)

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Shape of a Quadratic Graph

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Algebra Graphs

Shape of a Quadratic Graph

3:30 Quadratic Graphs
Spec A12
Previous Line Between Two Points Next Quadratic Intercepts & Roots
  • A quadratic function has the general form ax^2 + bx + c
  • A quadratic graph has a smooth curved U shape, known as a parabola
  • All quadratic graphs have a vertical line of symmetry
  • The coefficient of the x^2 term determines the width of the quadratic graph
  • Quadratics with a positive x^2 term curve upwards, creating a smiley face shape
  • Quadratics with a negative x^2 term curve downwards, creating an unhappy face shape

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