A flip across a line to create a mirrored image
What is a reflection?
The translation (x,y)->(x+2, y-1) on
A( 2, 4)
B(3, 4)
C(-1, 4)
What is:
A'(4, 3)
B'(5, 3)
C'(1, 3)
The image and preimage are ____________ to the line of reflection.
What is equidistant?
A translation is a ________ along a vector.
What is a slide?
What is the midpoint formula
A slide along a vector
What is a translation?
The translation <2,-3>
T(1, 3)
R(-4, 5)
I(-3, 2)
What is:
T'(3,0)
R'(-1,2)
I'(-1,-1)
(x,y) -> (y,x)
What is the coordinate rule for the reflection over the line y = x?
The components of the vector
What is <6,2>?
What is the distance formula
The line n
What is the line of reflection?
A reflection over the x-axis
P(1,2)
Q(3,4)
R(5,6)
What is:
P'(1,-2)
Q'(3,-4)
R'(5,-6)
(x,y)->(-x,y)
What is a reflection over the y-axis?
The coordinate rule for the translation: 2 units left, 1 unit up
(x-2, y+1)
The vectors in a translation have are all __________ and ____________.
Triangle ABC
What is the preimage?
Reflection over the x=y line:
E(-1, -2)
F(-4, 3)
G(2, 4)
What is:
E'(-1, -2)
F'(-4, -3)
G'(2,-4)
To find the line of reflection, use the ______________.
What is the midpoint formula?
The translation for the following:
Q(4, 5) -> Q'(4, 1)
R(2, -3) -> R'(2, -7)
S(3, 4) -> S'(3, 0)
(x, y-4)
<0,-4>
four units down
(x, y) -> (-x, y)
What is the coordinate rule for a reflection over the y-axis?
Triangle A'B'C'
What is the image?
Reflection over the -x = y line:
P(2, 3)
A(-1, 3)
L(-4, -5)
What is:
P'(-3, -2)
A'(-3, 1)
L'(5, 4)
The line of reflection:
A(1,2)->A'(1,-2)
B(3,4)->B'(3,-4)
C(5,6)->C'(5,-6)
What is the x-axis
The coordinate rule for the translation:
What is (x+6, y+3)?
The geometric transformation done on the graph below:
What is a reflection?