Rotations
Given Triangle ABC. A ( 4,7 ) . B ( 0,-3 ) . C (2, -5 )
A' has coordinates ( -4,-7 ) What is the rotation?
180 degrees
A translation rule of left 5 units and up 2 units is given. V' is at ( -9,5 ) What are the coordinates of V?
(-14, 3 )
Reflect ( 6, -8 ) over the x axis
(6,8 )
R is at ( -3, 6 ). R' is at ( -5, 10 ). What is the scale factor?
k = 5/3
A is at ( -4,9 ). what are the coordinates of the final image after a reflection over y = -x, a rotation of 90 degrees counterclockwise?
( -4,-9 )
Given Triangle ABC. A ( 4,7 ) . B ( 0,-3 ) . C (2, -5 )
C' has coordinates ( 5,2 ). What are the coordinates of B'?
( -7,4 )
D is at ( 4, 8 ) and D' is at ( -7, 12 ). What is the
translation rule?
( x,y ) becomes ( x -11, y+4 )
reflect ( -9,-3 ) over the y axis
( 9,-3 )
Under a dilation, a pre mage and image are what type of figures?
similar
F is at ( 8,2 ). After a translation of 4 units right, a
reflection over the y axis, what are the coordinates
of F'?
( -12,2 )
Given quadrilateral WXYZ. W' has coordinates of
( -6, 4 ) after a rotation of -90 degrees. What are the coordinates of W?
W ( -4,-6 ) .
A translation produces an image that is __________
to the pre image.
congruent same size and same shape
reflect ( 3,-8 ) over y = x
( -8,3 )
If B is at ( 8, 14 ), what would the coordinates be for B' under a dilation of k = 5/2?
( 20, 35 )
G is at ( -5, 8 ). After a -270 degree rotation, a translation of 6 left and 4 up, and a reflection over
y = x, what are the coordinates of G'?
( -1,-14)
-270 degrees is equivalent to 90 degrees in which direction?_______________
counterclockwise
Given triangle ABC with A ( -6,1 ) B ( -2,7) C ( 3,5)
Triangle A'B'C with A' ( -2,-8 ), B' ( 2,-2 ), C'( 7,-4 )
What is the translation rule?
(x,y ) becomes (x+4 , y-9 )
reflect ( -7, -2 ) over x = -3
( 1,-2 )
The scale factor k = 2/3. T' is at ( -4, 6 ).
What are the coordinates of T?
( -6, 9 )
Rotate H ( 4,7 ) 180 degrees, then translate 2units
up and 1 unit down, then dilate by a scale factor of 1.5. What are the coordinates of H'?
( -3,-12 )
37 degrees clockwise is equivalent to ___________
degrees counterclockwise.
323
Triangle RST has vertices of R (3,5 ), S ( 4,2 )
and T ( 4,4 ). A translation maps the point R to
( -8, 7 ). What are the coordinates of S'?
( -7,4 )
reflect ( 12, 5 ) over y = -6
( 12, -17 )
If A is at ( 5,-4 ), What would the coordinates of A' be under a scale factor of 5/4?
( 25/4, -5 )
V is at ( 7, -2 ).What are the coordinates of the V'
after a reflection over x = 4, then a rotation over 90 degrees counterclockwise, then translating 4 left and 5 down.
( -2,-4 )