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Published byMariah Walsh Modified over 5 years ago
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These are flips, slides, turns, and enlargements/reductions.
TRANSFORMATIONS Transformations are line reflections, translations, rotations, and dilations. These are flips, slides, turns, and enlargements/reductions.
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LINE REFLECTIONS Line reflections “FLIP” a figure.
A reflection maps every point of the pre-image to an image point over the line of reflection that is the perpendicular bisector of the segment connecting the pre-image and image point. Line reflections are RIGID MOTIONS(transformations that keep the same size and angle measure). There are 4 simple rules to follow when reflecting over 4 lines in the coordinate plane, which we will be looking at on next 4 slides.
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Graphically - You will now need graph paper.
A reflection across the x-axis of point P(2,3):
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A reflection across the y-axis
A reflection across the y-axis of P(2,3):
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A reflection across y=x
A reflection across the line y=x of P(-3,2):
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A reflection across the line y=-x
A reflection across y=-x of P(3,2):
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