Cambridge IGCSE Mathematics practice

exam practice - Identify, explain, and illustrate the following transformations, which may include combinations: 1. Reflecting a shape across a straight line. 2. Rotating a shape around a center by multiples of 90 degrees. 3. Enlarging a shape from a center using positive, fractional, or negative scale factors. 4. Translating a shape using a vector. - Transformations

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At a glance

Paper

Marks

Topic

Transformations

Exam-style question

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Paper 2Core or Extended Mathematics3 marks

Enlargement of a shape

Description

A square with vertices at (1,1), (3,1), (3,3), and (1,3) is enlarged from the origin by a scale factor of -2.

a
Calculate the coordinates of the image of the vertex at (3,1) after the enlargement.
Your answer
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[3]

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Maths method check

Topic focus: Transformations.
Question style: structured_mathematics.
Reasoning demand: reasoning.
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Paper 2Core or Extended Mathematics2 marks

Diagram Description

Triangle ABC is shown on a coordinate grid. The triangle is reflected across the y-axis to form triangle A'B'C'.

a
Describe the transformation that maps triangle ABC onto triangle A'B'C'.
Your answer
Aim for approximately 2 distinct marking points.
[2]