Transformations quiz
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Last updated 12:51 AM on 2/14/23
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12 Terms
1
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(-y,x)
when rotating an object 90° about the origin (x,y)→ ___?
2
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(-x,-y)
when rotating an object 180° about the origin (x,y)→ ___?
3
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(y,-x)
when rotating an object 270° about the origin (x,y)→ ___?
4
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(x,-y)
when reflecting over x-axis (x,y) → ___?
5
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(-x,y)
when reflecting over y-axis (x,y) → ___?
6
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(y,x)
when reflecting over y=1x (x,y) → ___?
7
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(-y,-x)
when reflecting over y=-1x (x,y) → ___?
8
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perpendicular bisector
a reflecting line is a perpendicular bisector. when a figure is reflected, the reflecting line is the perpendicular bisector of all segments that connect pre-image points to their corresponding image points.
9
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translation
involve sliding a shape in a certain direction by a certain distance
10
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T (x+2, y-3)
how to write translation rule/coordinates
11
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order is important for transformation compositions
order is important for transformation compositions
12
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transformation compositions written from left to right
transformation compositions written from left to right