Level 431 Level 433
Level 432

Transformations in the Coordinate Plane


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Horizontal Translation
(x,y)→(x+n, y)
Vertical Translation
(x,y)→(x, y+m)
Diagonal Translation
(x,y)→(x+n, y+m)
(x,y)→(-x,y)
Reflection over the y-axis
(x,y)→(x,- y)
Reflections over the x-axis
(x,y)→(y,x)
Reflection over y = x
(x,y)→(-y,-x)
Reflection over y = -x
(x,y)→(-y,x)
90 degree counterclockwise rotation
(x,y)→(-x,-y)
180 degree rotation
(x,y)→(y,-x)
270 degree counterclockwise rotation (90 degree clockwise)
Dilation
a transformation that changes the size of an object, but not the shape