Geo 3.5 Composite Transformations
A composition of transformations is...
musical isometry
written transformations
two or more transformations
a movie about transformations
A glide reflection is...
a rotation + a translation
a translation + a reflection
two reflections
a reflection + a rotation
True or False:

A composition of two isometries is 
equal to an isometry?
True
False
A composition of two reflections across 
two parallel lines is equal to:
a rotation
a reflection
a translation
a dilation
A composition of two reflecions over
intersecting lines is equivalent to...
a reflection
a rotation
a translation
a dilation
Which composite transformation maps ∆ABC onto ∆A''B''C''
R180º  + T<8, -2>
T<-6, -5>  + T<14, 3>
Ryaxis   + T<14, 3>
T<8, -2>   + T<14, 3>
∆ABC is Ry-axis then undergoes a T<-2, 2>Find the coordinates of A''
B
C
A (-2, 2)
y
x
A''= (0, 4)
A''= (4, 0)
A''= (-2, 4)
A''= (4, 4)
∆ABC is Rx-axis then undergoes a T<-4, 3>Find the coordinates of A''
C
B
A
A''= (5, -4)
A''= (-9, 7)
A''= (1, -7)
A''= (1, -1)
∆ABC is R180 then undergoes a T<2, 2>Find the coordinates of A''
B
C
A
A''= (4,0)
A''= (-2, 0)
A''= (2,-2)
A''= (-4,0)
∆ABC is R90 then undergoes a T<-3, 1>Find the coordinates of A''
B
C
A
A''= (-2, 7)
A''= (-1, 8)
A''= (-5, 8)
A''= (-5, 6)
∆ABC is R90 then undergoes a Ry-axisFind the coordinates of A''
B
C
A
A''= (-2, 3)
A''= (3, 2)
A''= (-3, 2)
A''= (-2,-3)
∆ABC is R180 then undergoes a Ry-axisFind the coordinates of A''
B
C
A
A''= (-2, 3)
A''= (3, 2)
A''= (-3, 2)
A''= (2,-3)
∆ABC is R90 then undergoes a R180Find the coordinates of A''
C
B
A
A''= (0,0)
A''= (-1, 1)
A''= (1, 1)
A''= (0,-1)
∆ABC is R90 then undergoes a R180Find the coordinates of A''
B
C
A (-3, 1)
A''= (-3,-1)
A''= (3, 1)
A''= (1, 3)
A''= (3,-1)
Which composite transformation maps ∆ABC onto ∆A''B''C''?
Rxaxis  + T<4, 3>
Ry = 1 + T<3, 4>
Ry = -1 + T<4, 3>
Ry = -1 + T<-4, -3> 
∆ABC is Ry-axis then undergoes a Rx-axisFind the coordinates of A''
B
C
A
A''= (-3,-1)
A''= (3, 1)
A''= (1, 3)
A''= (3,-1)
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