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Word Bank
rotation, reflection, translation, transformation, dilation, enlargement, reduction, isometry, tessellation, preimage, image, vector, Escher, mosaic, xaxis, y-axis, swap, horizontal, vertical, ninety, origin

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Across
4.The resulting figure after a transformation.
7.A repeating pattern of figures that completely covers a plane without gaps or overlaps. Also called tiling.
9.M.C. __________ is famous for his tessellations in the art world,
11.A picture or design made by setting tiny pieces of glass or stone into clay or plaster.
13.The rule (x, y) -> (-x, -y) represents a rotation of 180 degrees CCW about the _________.
14.Moving a point or shape the same distance and in the same direction as described by a vector <a, b>.
16.Flipping across an axis or line.
18.An enlargement or a reduction by a scale factor, k.
19.The rule (x, y) -> (x, -y) represents a reflection over the __________ .
20.<a, b> where a and be represent the horizontal and vertical change, respectively, from the initial piont.
21.When reflecting over a __________ line, the pre-image and image are the same distance left and right of the line.
Down
1.A turn of x-degrees about a point.
2.A change in position, size, or shape of a geometric figure.
3.The rule (x, y) -> (-x, y) represents a reflection over the __________ .
5.When the scale factor of a dilation is > 1.
6.When the scale factor of a dilation is between 0 and 1.
8.A transformation in which the pre-image and the image are congruent.
10.When you reflect over the line y = x you __________ the x- and y- coordinates.
12.When reflecting over a __________ line, the pre-image and image are the same distance above and below the line.
15.The original figure before a transformation.
17.The rule (x, y) -> (-y, x) represents a rotation of _________ CCW about the origin.

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