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Transformations in the Coordinate Plane. February 18, 2014 until… (5 School days). Transformations move figures in the coordinate plane. An isometry is a translation where the pre-image and image are congruent. Translations. You may think of a translation as a “slide.”

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transformations in the coordinate plane

Transformations in the Coordinate Plane

February 18, 2014 until… (5 School days)

transformations move figures in the coordinate plane
Transformations move figures in the coordinate plane.

An isometry is a translation where the

pre-image and image are congruent.

translations
Translations
  • You may think of a translation as a “slide.”
  • You will discover what moves a figure up, down, left, or right.
reflections
Reflections
  • You may think of a reflection as a “flip.”
  • You will discover the rules for reflection over the x-axis, the y-axis, the line y = x, and other lines.
rotations
Rotations
  • You may think of a rotation as a “turn.”
  • We normally rotate about the origin, and we normally rotate counterclockwise, but not always.
dilations
Dilations
  • You may think of a dilation as a “shrink” or “grow.”
  • Dilations must have a scale factor.
  • Dilations are the only transformation that is NOT an isometry.