Algebra II Chapter 4 Section 4
Terms
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- slides the figure side to side without changing the size or shape of the figure.(slide)
- translation
- transformed figure
- image
- original figure
- preimage
- a transformation that changes the size of the figure.
- dialation
- a transformation that creates symetry on the coordinate plane.(flip)
- reflection
-
reflection in the y-axis.
(MATRIX) -
[-1 0]
[0 1] -
reflection in the x-axis.
(MATRIX) -
[1 0]
[0 -1] -
reflection in the line y=x.
(MATRIX) -
[0 1]
[1 0] -
reflection in the line y=-x.
(MATRIX)cen -
[0 -1]
[-1 0] - transformation the turns a figure on a fixed point.
- rotation
- the fixed point of the rotation.
- center of rotation
- a change made to a figure.
- transformation
-
Rotation of 90o.
*matrix -
[0 -1]
[1 0] -
rotation of 180o.
*matrix -
[-1 0]
[0 -1] -
rotation of 270o.
*matrix -
[0 1]
[-1 0] -
rotation of 360o.
*matrix -
[1 0]
[0 1]