Translation slides the figure .
What is left,right, up and down?
Triangle ABC is rotated 90 degrees clockwise. Which statement is true:
A) The perimeter of triangle ABC is greater than the perimeter of triangle A'B'C'.
B)The are of triangle ABC is less than the area of triangle A'B'C'
C) The corresponding angles of triangle ABC is congruent to the corresponding angles of triangle A'B'C'.
C) The corresponding angles of triangle ABC is congruent to the corresponding angles of triangle A'B'C'.
Figure DEF was formed from Figure ABC. The figure reflected across the x-axis. Which statement is true?
A) Figure DEF is not congruent to ABC.
B)Figure DEF is the image and Figure ABC is the preimage.
C)Figure DEF slides to form Figure ABC
B)Figure DEF is the image and Figure ABC is the preimage.
What transformation and rule was applied to the coordinate below?
a(6,9)->(-6,9)
b(-2,7)->(2,7)
double points (2 x 100= 200 pts)
Reflection across y-axis
(x,y)->(-x,y)
Double points :What transformation and rule was applied to the coordinate below?
w(-7, 8)->w'(8,7)
t(1, 0)->t'(0,-1)
Rotation 90cw/270 ccw.
(x,y)->(y,-x)
1.If the scale factor is greater than one, what happens to the shape?
2.If the scale factor is less than one, what happens to the shape?
3.If the scale factor is one, what happens to the shape?
1. bigger, 2. smaller,3. same
The rule is (x,y)->(x-10, y-14)
What is translating 10 units left and 14 units down?
What is the rule and transformation of the figure below?
Rotation 90 degrees counterclockwise/270 degrees clockwise.
The circle diameter is 10 centimeters. The center coordinates are (3,10). If the center is reflected across the x-axis, what is the algebraic rule?
(x,y)->(x,-y)
Name the transformation and write the rule
a(7,8)->a(-8,7)
b(-4,7)->(-7,-4)
Rotation 90ccw/270 cw
(x,y)->(-y,x)
True or false:
Dilation, translation, rotation, and reflection preserve congruence.
false, Why?
extra 100 points(only the person who had it right can answer).
Example
(x,y)->( , )
(x,y)->(2x,2y)
triple points: The rule for translating 3 unit right, 4 units down.
what is (x,y)->(x+3,y-4)?
What is the rule of 180 degrees rotation?
Double points(300x2=600 total)
(x,y)->(-x,-y)
What stays the same and what changes to the opposite sign?
Reflection across y-axis
x-coordinate -changes
y-coordinate -same
What transformation and rule was applied to the coordinate below?
a(-6,9)->(-6,-9)
b(2,-7)->(2,-7)
double points (2 x 300= 600 pts)
refelction across x-axis
(x,y)->(x,-y)
Extra 100
(x,y)->(x-2, y+3)
Describe the transformation.
Translation, 2units left, 3 units up

C
If translation's algebraic rule is (x,y)->(x + a, y+b). What is the value of a?
-8
What is the rule of 90 degrees clockwise and 90 degrees counterclockwise?
90 cw(x,y)->(y,-x)
90ccw(x,y)->(-y,x)
Extra 100
Decribe and write the algebraic rule for the figures above.
Reflection across y-axis
(x,y)->(-x,y)
What transformation and rule was applied to the coordinate below?
a(6,9)->(-6,9)
b(-2,7)->(-14,7)
translation
12 units to the left.
(x,y)->(x-12,y)
The rule is (x,y)->(x+75, y-2)
What is 75 units to the right and 2 units down.

B
The circle is translated 6 units down and 10 units left. What is the algebraic rule?
(x,y)->(x-10, y-6)
Name the transformation with rule.

90 cw/270 ccw
(x,y)->(y,-x)
Extra 100 points
Name the transformation
1.(x,y)->(x,-y)
2.(x,y)->(-x,y)
1.Reflection across x-axis
2. Reflection across y-axis
What transformation and rule was applied to the coordinate below?
a(6,9)->(9,7)
b(-2,7)->(1, 5)
translation
3 units to the right and 2 units down
Figure A is translated (1 unit down and 2 left). What is the algebraic rule.
(x,y)->(x-2,y-1)

H