Vocabulary
Translation/Isometry
Reflection/Rotation
Describing Transformations
Symmetry
100
What transformation "flips" the shape?
REFLECTION
100
Name the transformation that mapped PQR to P'Q'R.
TRANSLATION
100
Which transformation turns a figure?
Rotation or Reflection??
ROTATION
100
What are the TWO ways we can describe transformations?
Words and Algebraic
100
What are the three types of symmetry.
Line, Rotational and Point
200
Rotation has how many directions? What are they?
Two; Clockwise and Counterclockwise
200
Name the transformation that mapped ABC to A'B'C.
ROTATION
200
Reflect the point B(14, -3) across the x-axis. What are the coordinates of B'?
B'(14, 3)
200
Describe the transformation in words that mapped ABC to A'B'C'
Rotated 90 degrees clockwise or 270 degrees counterclockwise
200
What type(s) of symmetry does the starfish have?
A. Rotational Symmetry
B. Line of Symmetry
C. Point Symmetry
D. All of the above!
D
300
A line that divides a figure into two equal parts.
Line of Symmetry
300
Translate the point A(-4, -7) up 14 units and right 9 units. What are the coordinates?
A'(5, 7)
300
What are the four lines we can reflect an image across?
y = x. y = -x, x-axis and y-axis
300
Describe the transformation that mapped PQRST to P'Q'R'S'T in words.
Reflect across the line y = x
300
How many lines of symmetry does this figure have?
5
400
Congruent figures are figures that have the same _______ and _________.
SHAPE and SIZE
400
Write the algebraic rule for a point translated up 4 units and left 8 units.
(x,y) -> (x - 8, y + 4)
400
(x,y)->(y,-x) AND (x,y)->(-x,-y) are both rules of what type of transformation??
ROTATION
400
Describe the transformation that mapped WXYZ to W'X'Y' Z' in words and algebraically.
Transformation: Rotated 180 degrees
Rule: (x,y) -> (-x,-y)
400
The degree of rotation that maps a figure to itself is call the __________?
MAGNITUDE
500
A transformation that preserves distance and angle measure.
Isometry
500
Fill in the Blanks: Translation is a transformation in which every point in a figure is ___________ in the same ________________ and by the same ______________.
Moved, Direction, Distance
500
If point B is in Quadrant 2 (II) and its rotated 180 degrees, what quadrant will it be in?
Quadrant 4 (IV)
500
What is the sequence of transformations that takes ABC (Blue) to A'B'C' (orange) and then A'B'C' (orange) to A"B"C" (green)?
(Describe the rules in WORDS)
ABC (Blue) to A'B'C' (orange): Reflection across the y-axis
and
A'B'C' (orange) to A"B"C" (green):Translation left 3 units and down 5 units
500
Does the following shape have rotational symmetry? If so, what is the magnitude?
Yes, magnitude is 72 degrees