KS4. Transformations. Reflections

For every type of transformation there is certain information that defines the transformation.

With a reflection, we just need to know the line of reflection (sometimes called the “mirror line”).

If we are dealing with axes, this line of reflection will often be given as an equation, like y=2 or x=3, or y=2x.

Once we know the line of reflection, the process for applying it to a shape is to take each point of the shape and repeat it at an equal distance to the other side of the line of reflection. Let’s try some



Now let’s try exercise 2 on pages 181 and 182 of the core textbook:

The answers are below:

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