Linear Transformations 1

Answer the questions below the diagram.
Find (a) the mapping and (b) the matrix that represent each of the following transformations: 1) Reflection in x-axis 2) Reflection in y-axis 3) Reflection in y = x 4) Reflection in y = -x 5) Rotation of 90 about O 6) Rotation of 180 about O 7) Rotation of 270 about O 8) Enlargement of SF k, centre of enlargement O 9) A sequence of two of the above transformations