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Transformation
an operation that maps or moves an object
17
Mathematics
Not Applicable
12/07/2005

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Term
Reflection
Definition
a pre-image is reflected over the reflection line to make an image
Term
Rotation
Definition
a transformation in which a figure is turned about a fixed point
Term
composition
Definition
combining two or more transformations to form a single transformation
Term
Glide Reflection
Definition
a translation mapping p to p' and reflecting in a line that is parallel to the translation
Term
Isometry
Definition
a transformation that preserves, lengths, angles, measures, and betweeness
Term
Rotational Symmitry
Definition
Symmitry that occurs when a figure can be rapped onto itself by 180 rotation or less
Term
Angle of Rotation
Definition
The angle between the pre-image, center of rotation, and the image
Term
Center of Rotation
Definition
The fixed point that the figure is rotated around
Term
Line of Reflection
Definition
the mirror line that a figure is reflected over
Term
Translation
Definition
Maps every 2 points P and Q in the plane to point P' and Q'. (a slide)
Term
transformation
Definition
an operation that maps or makes an object
Term
preimage
Definition
the original figure
Term
Image
Definition
the figue in a plane that has been reflected, rotated, or translated
Term
Vector
Definition
Is the quantity that has both direction and magnitude, or size, and is represented by an arrow drawn between the two points
Term
Inital Point
Definition
The starting point
Term
Terminal Point
Definition
The ending point
Term
Component Form
Definition
in a vector it combines the horizontal and vertical components
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