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Julian Gilbey

  • Rolling on a cycloid

    Activity

    Julian Gilbey

  • A quadratic graph

    Activity

    Julian Gilbey

  • Four dots

    Activity

    Julian Gilbey

  • Equations of straight line graphs via changing coordinates

    Activity

    Julian Gilbey

  • The effect of changing coordinate systems on a point

    Activity

    Julian Gilbey

  • Translating straight lines to find their equations

    Activity

    Julian Gilbey

  • Centre of a circle passing through two fixed points

    Activity

    Julian Gilbey

  • Straight line with given gradient through a specific point

    Activity

    Julian Gilbey

  • The Circle of Apollonius

    Activity

    Julian Gilbey

  • The Circle of Apollonius

    Activity

    Julian Gilbey

  • A tangent to the circle of Apollonius

    Activity

    Julian Gilbey

  • An interpolating quadratic

    Activity

    Julian Gilbey

  • Reciprocal quadratic function graphs

    Activity

    Julian Gilbey

  • Reciprocal linear function graphs

    Activity

    Julian Gilbey

  • Constructing a quadratic through three constrained points

    Activity

    Julian Gilbey

  • Constructing a quadratic through two points

    Activity

    Julian Gilbey

  • A quadratic passing through specified points

    Activity

    Julian Gilbey

  • A quadratic with its vertex at a specified point

    Activity

    Julian Gilbey

  • Intersecting circles

    Activity

    Julian Gilbey

  • Locus of a point on a line from a fixed point to a circle

    Activity

    Julian Gilbey

  • Roulette: Rolling a square on a catenary

    Activity

    Julian Gilbey

  • The Tractrix and the Catenary

    Activity

    Julian Gilbey

  • The Tractrix

    Activity

    Julian Gilbey

  • Rolling a parabola

    Activity

    Julian Gilbey