Dilations
Reflections
Translations
Rotations
100
A(1,1) scale factor of 3.
A'(3, 3)
100
What axis did they reflect triangle ABC over to get triangle A'B'C'?
reflection over the y axis
100
Translate: (1, 3)-->left 2
What is (3, 3)?
100
What is coordinate notation for a rotation of 180 degrees?
(x,y) -> (-x, -y)
200
A(-4,6) scale factor of 1/2.
A'(-2, 3)
200
Reflect: (-3, 2) over the x-axis.
What is (-3,-2)?
200
Translate: (4, 0)--right 1, down 3
What is (5, -3)?
200
For the transformation shown at the right, what is the measure of the angle of rotation of ABCD about the origin?
90 degrees clockwise
300
What is the scale factor that dilates PRQ into P'R'Q'?
3
300
Identify the line of reflection.
y=1
300
Use coordinate notation to describe the translation:
C(-2,-3) -> (-2,0)
(x,y) -> (x,y+3)
300
If point B is rotated 180 degrees, what will the coordinates of B' be?
B'(-7,2)
400
Use coordinate notation to describe the dilation.
A(2,1) -> A'(6,3)
B(3,0) -> B'(9,0)
C(1,-2) -> C'(3,-6)
(x,y) -> (3x,3y)
400
What is the coordinate notation for when you reflect over the y-axis?
(x,y) -> (-x,y)
400
Use coordinate notation to describe the translation:
(4, -1)--->(3, -6)
(x,y) -> (x-1,y-5)
400
Rotate the point (-1,-3) 90 degrees counterclockwise.
(3,-1)
500
Use the coordinate notation to describe the dilation.
P(-4,2) -> P'(-2,1)
L(2,4) -> L'(1,2)
Y(-4,-2) -> (-2,-1)
(x,y) -> (0.5x, 0.5y)
500
Reflect the following points across the x-axis.
A(-4,3)
B(1,4)
C(3,1)
A'(-4,-3)
B'(1,-4)
C'(3,-1)
500
Point A(3,2) has been translated to become A'(1,4). What would the coordinates of B' be if B is (-1,8)?
B'(-3,10)
500
Point J has the coordinates (3, –7). What are the coordinates of point J after a 270° rotation counterclockwise about the origin? Write the coordinate notation for the rotation.
J'(-7,-3)
(x,y) -> (y,-x)