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Transformations Review!

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  • What is the angle of rotation? (How many degrees?)
    180 degrees
  • What would be the coordinates of A after a rotation of 90 degrees around the origin?
    (-3, 2)
  • What type of transformation is this?
    Reflection
  • What type of transformation is being done here?
    Dilation
  • What transformation can be used to get directly from A to C?
    Rotation of 180 degrees
  • What would be the coordinates of A after a dilation with a scale factor of 2?
    (4, 6)
  • What is the angle of rotation? (How many degrees?)
    90 degrees
  • What would be the coordinates of A after a reflection over the y-axis?
    (-2,3)
  • If you were to reflect this triangle over the x-axis, what would be the new coordinates of point B?
    (3,-2)
  • What type of transformation can you use to get from the RED shape to the GREEN shape??
    Reflection
  • What type of transformation can you use to get from the RED shape to the BLUE shape??
    Translation
  • Describe the translation being done on this graph. (How does the shape move?)
    Left 1 unit, Up 4 units
  • If you were to reflect this triangle over the y-axis, what would be the new coordinates of point C?
    (-1,5)
  • Which point is the center of rotation?
    O
  • Is the scale factor of this dilation bigger or smaller than 1?
    Bigger than 1 (because the shape gets bigger)
  • What transformations are used to get from A to B to C?
    Two Reflections
  • What would be the coordinates of A after a translation left 6 units and down 4 units?
    (-5, 0)
  • What is the line of reflection?
    The y-axis
  • What type of transformation is this?
    Translation
  • What type of transformation is this?
    Dilation
  • What is the scale factor of this dilation?
    r = 1/2