Rules
Rotations
Translations
Reflections
Dilations
Facts
100
(x,y)→(x+a,y+b)
Translation
100
What direction can you move when rotating?
clockwise or counterclockwise?
100
Do translations keep the same orientation or change the orientation of shapes?
Same orientation
100
Two shapes that are reflected are _________ shapes.
(congruent, similar)
congruent
100
Dilate A: (5,9) by a scale factor of 2
A' (10, 18)
100
What does the I in F.I.R.E stand for?
Integrity
200
(x,y)→(-x,y)
Reflection over the y-axis
200
Rotations keeps the sides and angles the same, but changes the ___________ of shapes.
orientation of shapes
200
Describe the rule ( x , y ) --> ( x +3 , y - 5 )
right 3 units and down 5 units
200
Reflect (-5, -3) over the y-axis
(5,-3)
200
Dilate A: (8,4) by (x,y)→(1/4x,1/4y)
A': (2,1)
200
What is the age of Mr. Rios
35
300
(x,y)→(kx,ky)
Dilation
300
Rotate the point (4,-5) 180 degrees clockwise. Use the rule (x,y) -> (-x,-y)
(-4,5)
300
Point B (5, -7) is translated using the rule:
(x,y)→(x-8,y)
What is B' ?
B ' (-3 , -7)
300
Reflect A: (2, -5) over the y-axis:
A' :(-2,-5)
300
Determine the scale factor for the following:
k = 2
300
What is the chemical symbol for sodium?
Na
400
(x,y)→(-x,-y)
Rotation 180 degrees
400
Describe the following rotation
Rotation 90 degrees counterclockwise
400
Write the coordinate rule:
x,y)→(x-5, y+2)
400
Line A'B' is being reflected over the ___ axis to transform into line A''B''
y-axis
400
You know that R(2,4) and R'(8,16). What scale factor was used to dilate point R?
k=4
400
What is the force that pulls objects to the Earth
Gravity
500
(x,y)→(-2x,2y)
Dilation and a reflection over the y-axis
500
Point A ( 3, 6) was rotated 720 degrees clockwise. What is A' ?
( 3, 6)
500
What is X' if X(2,4) after the following transformations:
(x,y)→(2x+5,2y+5)
X ' ( 9 , 13)
500
Reflecting over the y-axis and then the x-axis is the same thing as __________________.
rotating 180 degrees
500
What was the correct scale factor for the following:
A ( 4,10) --> A' (6,15)
k = 1.5
500
What high school did Mr. Rios attend?
Rancho Alamitos High School