Functions

Question 1

Describe Reflection as a transformation.

Answer 1

Reflection, as a transformation, is the mirroring of a graph along the x-axis and the y-axis.

The mirror line is either and only either the x-axis or y-axis or both.

Question 2

Describe Translation as a transformation.

Answer 2

Translation, as a transformation, is the movement along a straight line, of a graph. Translation is describes by translation vectors.
x
y

A translation vector looks like x over y in brackets but without the division line and is not a fraction.

Question 3

Describe Stretch as a transformation.

Answer 3

Stretch is the enlargement or shrinking of a graph along the x and or y axes. This is controlled by the scale factor.