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Lessons 9-1 through 9-3 Vocabulary

Across
(p. 623) Each point of the _________ and its corresponding point on the image are the same distance from the line of reflection.
(p. 634) ________ is the movement of a group of members together without changing the shape or size of their formation.
(p. 624) Reflections, like all isometries, _________ distance, angle measure, betweenness of points, and collinearity. The orientation of a preimage and its image, however, are reversed.
(p. 632) A(n) _____________ is a function that maps each point to its image along a vector, called the ____________ vector.
(p. 632) This segment is also ________ to the vector.
(p. 640) Assume that all rotations are ________________ unless stated otherwise.
(p. 632) A translation or _____ is a transformation that moves all points of a figure the same distance in the same direction.
(p. 647) A(n) _____ of revolution is a three-dimensional figure obtained by rotating a plane figure or curve about a line.
(p. 624) A reflection is a(n) __________ transformation or isometry.
(p. 633) A translation is another type of congruence transformation or ________.
(p. 625) In Example 4a, point B is called a(n) _________ point because it maps onto itself. Only points that lie on the line of reflection are _________ under a reflection.
(p. 640) A rotation of 360° about a point returns a figure to its ________ position.
(p. 632) Since _______ can be used to describe both distance and direction, _______ can be used to define translations.
(p. 632) Each segment joining a point and its image has the ____ length as the vector
Down
(p. 633) When the translation vector is of the form <a,0>, the translation is __________ only.
(p. 623) To reflect a polygon in a line, reflect each of the poygon's ________. Then connect these ________ to form the reflected image.
(p. 623) A(n) __________ or flip is a transformation in a line called a line of ___________.
(p. 633) When the translation vector is of the form <0,b>, the translation is ________ only.
(p. 626) Two nonvertical lines are _____________ if and only if the product of their slopes is -1.
(p. 625) To reflect a point in the x-axis, ________ its y-coordinate by -1.
(p. 640) _________ rotations can be designated by a negative measure.
(p. 625) To reflect a point in the y-axis, multiply its x-__________ by -1.
(p. 640) A(n) ________ about a fixed point, called the center of ________, through an angle of x° is a function that maps a point to its image.
(p. 633) Klein's definition of _______ as the study of the properties of a space that remain invariant under a group of transformations allowed for the inclusion of both Euclidean and non-Euclidean _______.
(p. 623) A reflection or ____ is a transformation in a line called a line of reflection.
(p. 640) If the point is not the center of rotation, then the image and preimage are the same distance from the center of rotation and the measure of the _____ of rotation formed by the preimage, center of rotation, and image points is x.
(p. 640) If the point is the ______ of rotation, then the image and preimage are the same point.
(p. 640) A rotation or ____ moves every point of a preimage through a specified angle and direction about a fixed point.