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| The new figure that results from the tranformation of a figure in a plane. |
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| The original figure in the transformation of a figure in a plane. |
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| The opperation that maps or moves a preimage onto an image. Three basic transformations are reflections, rotations, and translations. |
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| A transformationthat preserves lengths. Also called rigid transformation. |
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| A type of transformation that uses a line that acts like a mirror, called the line of reflection, with an image reflected in the line. |
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| A line that acts as a mirror in a reflection. |
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| A line that a figure in a plane has if the figure can be mapped onto itself by a reflection in the line |
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| A type of tranformationin which a figure is turned about a fixed point, called the center of rotation. |
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| The fixed point in a rotation. |
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| The angle formed when rays are drawn for a center of rotation to a point and it's image. |
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| A figure in the plane has rotational symmetry if the figure can be mapped onto itself by a rotation of 180` or less |
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| A type of transformation that maps every two points P and Q in the plane to point P' and Q'. |
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| A quantity that has both direction and magnitude and is represented by an arrow drawn between two points. |
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| The starting point of a vector. |
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| The ending point of a vector. |
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| The form of a vector that combines the horizontal and the vertical components of the vector. |
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| A transformation in which P is mapped onto a point P" by the following two steps: (1) A translation maps P onto P' (2) A reflection in a line K parallel to the direction of the translation maps P' to P". |
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Definition
| The result when two or more transformations are combined to produce a single transformation. An example is Glide reflection. |
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| The quotient a/b if a and b are two quantities that are measured in the same units. Can also be written as a:b. |
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| An equation that equates two ratios. |
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| For two positive numbers a and b the positive number x. |
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