Vocabulary
Translations
Reflections
Dilatiions
Rotations
0
Only rock that can float.
pumice stone
0
Originally, Amazon only sold what kind of product?
books
0
The smallest country in the world.
Vatican City
0
Only letters not used on periodic table.
J and Q
0
What is the tiny piece at the end of a shoelace called?
an aglet
300
___________________ are changes made to a figure or graph on the coordinate plane.
Transformations
300
DOUBLE POINTS!!
Describe the transformation with a mapping diagram and in vector notation.
(x,y)->(x+4,y+3)
<4,3>
300
DOUBLE POINTS!!
A'B'C'D' (orange) shows a reflection over the _______
A"B"C"D" (green) shows a reflection over the _______
y-axis
x-axis
300
What is the scale factor of the dilation?
1/2=0.5=50%
300
DOUBLE POINTS!!
How much has the figure been rotated about the origin in the clockwise and counterclockwise directions?
90o counterclockwise
270o clockwise
400
________________ figures have the same shape, but different size due to a dilation. Their angles are congruent.
Similar
400
Write the ordered pair of M' after a translation of <10, -3>.
M'(7,-7)
400
Write the ordered pair of C' after a reflection of the line x = -2.
C'(-6,-2)
400
DOUBLE POINTS!!
Find the center of dilation (ordered pair) and scale factor.
(-4,1)
2/1=2.0=200%
400
Write the ordered pair of B' if the figure is rotated 180o around the origin.
B'(-3,-2)
500
DOUBLE POINTS!!
______________ transformations change the position or orientation of a figure, but not the shape. They create ______________images.
Rigid
congruent
500
If the image shown was shifted up 5 and left 8, write the coordinates of point A of the preimage.
A(12,2)
500
Write the ordered pair of A' after a reflection of the line y = 2x + 1.
A'(-3,5)
500
Write the ordered pair of A' if the figure is dilated by a factor of 3/2 about the midpoint of CB.
A'(7,-3)
500
Write the ordered pair of point A' if a counterclockwise rotation of 90o took place around point k.
A'(-4,-1)