Geometry Ch 12 Review Jeopardy Definitions Name the transformation Transform it!Potpourri Q $200 Q $400 Q $600 Q $800 Q $1000 Q $200 Q $400 Q $600 Q $800 Q $1000 Final Jeopardy Know the Rules!
$200 Question Definitions Definition of Translation
$200 Answer Definitions A transformation where all points are moved the same distance in the same direction
$400 Question Definitions Define Isometry
$400 Answer Definitions A transformation that does not change the size or shape of a figure
$600 Question Definitions Define Image
$600 Answer Definitions The figure that is transformed.
$800 Question Definitions What is the definition of Glide reflection?
$800 Answer Definitions A composite transformation of translation and reflection
$1000 Question Definitions What is the definition the order of rotation?
$1000 Answer Definitions The number of times the figure coincides with itself as it rotates through 360 o
$200 Question Name the Transformation
$200 Answer Name the Transformation Rotation
$400 Question Name the Transformation
$400 Answer Name the Transformation Translation
$600 Question Name the Transformation
$600 Answer Name the Transformation Dilation
$800 Question Name the Transformation
$800 Answer Name the Transformation Reflection
$1000 Question Name the Transformation
$1000 Answer Name the Transformation Glide Reflection
$200 Question Transform It! Point A is at (4, -5). Find A’ after a translation along the vector.
$200 Answer Transform It! (-2, -1)
$400 Question Transform It! Point A is at (-7, 1). Find A’ after a reflection across the line y = x.
$400 Answer Transform It! (1, -7)
$600 Question Transform It! Point A is at (8, -2). Find A’ after a rotation by 90° counterclockwise about the origin.
$600 Answer Transform It! (2, 8)
$800 Question Transform It! Point A is at (3, -6). Find A’ after a dilation of -1/3 about the origin.
$800 Answer Transform It! (-1, 2)
$1000 Question Transform It! Point A is at (3, -6). Find A’ after a reflection over the line y = -x and then a translation along the vector.
$1000 Answer Transform It! (2, -7)
$200 Question Know the Rules! The rule for this transformation is (x, y) → (-x, y)
$200 Answer Know the Rules! Reflection over y-axis
$400 Question Know the Rules! The rule for this transformation is (x, y) → (y, -x)
$400 Answer Know the Rules! 90° clockwise rotation OR 270° counterclockwise rotation about the origin
$600 Question Know the Rules! The rule for this transformation is (x, y) → (-y, -x)
$600 Answer Know the Rules! Reflection over y = -x
$800 Question Know the Rules! Write the rule you would use to find the image coordinates of (x, y) under a translation of 2 units right and 1 unit down.
$800 Answer Know the Rules! The rule for this transformation is (x, y) → (x + 2, y – 1)
$1000 Question Know the Rules! Write the rule you would use to find the image coordinates of (x, y) under a dilation with scale factor = -1 followed by 180° rotation about the origin.
$1000 Answer Know the Rules! The rule for this transformation is (x, y) → (x, y)
$200 Question Potpourri Does the figure have line symmetry? If so, draw all lines of symmetry.
$200 Answer Potpourri Yes, 2 lines of symmetry.
$400 Question Potpourri Does the figure have rotational symmetry? If so, give the angle of rotational symmetry and the order of symmetry.
$400 Answer Potpourri Yes, Angle of rotation = 72°, Order = 5
$600 Question Potpourri A translation can be interpreted as successive reflections across two lines. Tell what relationship the lines must have for this to be true.
$600 Answer Potpourri They must be parallel
$800 Question Potpourri The pre-image is (10, -8), the image is (2, -4). What is the translation vector?
$800 Answer Potpourri
$1000 Question Potpourri What is the scale factor of a dilation centered at the origin that maps A(5, -6) to A’(-15.5, 18.6)?
$1000 Answer Potpourri k = -3.1
Final Jeopardy A hiker walks 2 miles east and then 1 mile north, then hikes 4 miles east and sets up camp. What vector describes their hike from their starting position to their camp?