Arrow Notation
Identify the Transformation
Polygons
What Quadrant?
Following a Rule
100
The transformation
(x, y) --> (2x-3, 2y+7)
will do this to a figure.
What is
-translate left 3 and up 7
-dilate with scale factor 2?
100
You suspect an object has been rotated. To confirm you do this to your paper.
What is turn it?
100
A 10-sided figure.
What is a decagon?
100
If a square in Quadrant II is rotated 90o CCW where will the image appear?
What is Quadrant III ?
100
Figure QRST has vertices Q(2,-1), R (6,-1), S(6,-3) and T(2,-3). Which will be the coordinates of vertex R' after the rectangle is rotated 90º counterclockwise about the origin?
What is (1, 6)?
200
Find the new coordinates of (10,12) if you translate the point three units left and 4 units up.
What is (7,16)?
200
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
What is (3,2)?
200
The order of a regular heptagon.
What is 7?
200
Identify the transformation (be specific!)
What is a dilation with scale factor 1/2 (reduction)?
200
Which transformation does not result in a congruent figure?
What is a dilation?
300
The transformation
(x, y) --> (-y +2, x)
will do this to a figure.
What is
- translate RIGHT 2
- Rotate 90o CCW (or 270o CW)?
300
You suspect an object has been reflected. To confirm you do this to your paper.
What is fold your paper to make the figures overlap?
- or connect corresponding (same letter) parts, find the midpoint, and draw in the line of reflection through the midpoint(s).
300
Write the angle of rotational symmetry of a hexagon.
What is 60o?
300
Triangle ABC is in Quadrant I. If reflected over the y-axis it will be in which quadrant?
What is Quadrant II?
300
Define isometry.
What is a transformation that preserves size and shape?
Also
What is a rigid transformation?
400
Describe the transformation for this notation:
(x,y) --> (0.5x, -0.5y)
What is
- Dilate with scale factor 0.5
- Reflect over the x-axis?
400
A picture with one point (-3,4) was reflected over the line y=x. What should be the new coordinates of the point?
What is (4,-3)?
400
The number of sides on a nonagon.
What is 9?
400
Describe the transformation (be specific!):
What is a rotation 90o CW or 270o CCW?
400
The point A(-4, -2) is transformed using
(x,y) --> (-2y, 2x+15). Find A'.
What is A'(4, 7)
500
The transformation
(x, y) --> (-y + 1, -x - 3)
will do this to a figure.
What is
- Translate RIGHT 1 and DOWN 3
- Reflect over the line y = -x ?
500
To determine the scale factor in a dilation, you
What is make a fraction with new (A') lengths or coordinates over the original (A) length or coordinate?
500
A figure with 20 sides.
What is a 20-gon?
500
The triangle ABC has been reflected to create each image except for one. The image which is NOT a reflection of triangle ABC is
What is figure C?
500
Triangle A(0,2) B(4, 6) C(-2, 5) is transformed by
(x,y) --> (1/2x + 3, -1/2y - 2). Find the new coordinates.
What is A'(3, -3) B'(5, -5) C'(2, -4.5)?