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Cambridge IGCSE Mathematics practice

exam practice - Identify, draw, and understand the graphs of these types of functions: (a) linear (b) quadratic. You need to know about symmetry and roots, but turning points are not necessary to understand. - Sketching curves

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3

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Sketching curves

Exam-style question

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Paper 2Core or Extended Mathematics3 marks

Graphing Functions

Description

Graph of a Quadratic Function

The quadratic function is given by f(x) = x² - 4. Identify the roots and sketch the graph.

  1. a

    Sketch the graph of the function f(x) = x² - 4.

    Aim for approximately 3 distinct marking points.

    [3]

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  • Topic focus: Sketching curves.
  • Question style: structured_mathematics.
  • Reasoning demand: reasoning.
  • Check the operation, notation, units, and final answer form against the question before moving on.

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Paper 2 structured question: Sketching curves

Paper 2Core or Extended Mathematics1 marks

Description

Linear Function

The linear function is given by g(x) = 3x + 1. Determine the y-intercept and sketch the graph.

  1. a

    Determine the y-intercept of the function g(x) = 3x + 1.

    Aim for approximately 1 distinct marking point.

    [1]