Further Maths - Matrices

• Identity Matrix, points do not move

  
• Reflection in the x-axis

  
• Reflection in the y-axis

  
• Reflection in line y=x

  
• Reflection in line y=-x

  
• Rotation 90 degrees clockwise about 0

  
• Rotation 180 degrees about 0

  
• Rotation 90 degrees anticlockwise about 0

  
• Enlargement scale factor M, centre 0

  
• Identity matrix, points do not move

  1,0,0,1
• Reflection in the x-axis

  1,0,0,-1
• Reflection in the y-axis

  -1,0,0,1
• Reflection in line y=x

  0,1,1,0
• Reflection in line y=-x

  0,-1,-1,0
• Rotation 90 degrees clockwise about 0

  0,1,-1,0
• Rotation 180 degrees about 0

  -1,0,0,-1
• Rotation 90 degrees anticlockwise about 0

  0,-1,1,0
• Enlargement scale factor m, centre 0

  m,0,m,0