ConceptConceptDocsDocuments

CAIE IGCSE Additional Math 2.2 vertex values and range

Use this vertex-values page to read stationary points from completed-square form, then use the vertex to support sketches and range statements.

Syllabus
2028–2030
Course
Additional Mathematics 0606

Exam points

  • Use the vertex coordinates to sketch or interpret a quadratic graph accurately.
  • Write the range of a quadratic function after identifying its stationary value.

2.2. Use vertex values to sketch or find range question 1

[Maximum number: 1]

The function f is defined by f(x)=1−4x−x2\mathrm{f}(x)=1-4 x-x^{2} for all real values of x.

Find the range of f.

All question bank results loaded