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Transformations Unlocked

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1.
2 points
Which of the following is NOT invariant <--- look up this word before answering question) under a dilation?
2.
8 points
Find the treasure.....You start at the (-3, 5). The treasure map has the following instructions.
1) Translate (x, y) -----(x - 6, y - 3)
2) Reflect over the x axis
3) Rotate it 270 degrees about the origin
4) Reflect it over the y=x line
3.
2 points
Under the translation (x + 3, y+ 2), the point (2,5) becomes
4.
2 points
A dilation maps (6,10) to (3,5). What are the coordinates of the image of (12,4) under the same dilation?
5.
2 points
A figure is located entirely in the third quadrant. If it is reflected over the y-axis, in which quadrant will its image lie?
6.
2 points
What is the image of point (4,-2) after a dilation of 3?
7.
2 points
An 
object 
has 
an 
angle 
of 
rotation
 of 
120˚. 

What 
is 
its 
order 
of
 rotation?
8.
2 points
The image of (-2,6) after a dilation with respect to the origin is (-10,30). What is the constant (scale factor) of the dilation?
9.
2 points
Point P '(-6,-4) is the image of point P(-2,3) under translation T. What is the image of (5,-1) under the same translation?
10.
2 points
What are the coordinates of point T ', the image of point T(-2,5) after a reflection in the origin?
11.
2 points
An isometry is a transformation of the plane that preserves length.
12.
2 points
Which of the following transformations creates a figure that is similar (but not congruent) to the original figure?
I. translation II. rotation III. dilation
13.
2 points
Which of the following capital letters (if written simply) has at least one line of symmetry?
14.
2 points
A figure is translated . Which translation will move the image back to its original position?
15.
2 points
A triangle has vertices at A(−7, 6), B(4, 9), C(−2, − 3). What are the coordinates of each vertex if the triangle is translated 4 units right and 6 units down?
16.
2 points
If a reflection in the line y = -x occurs, then the rule for this reflection is:
17.
2 points
Having and studying my notes will hopefully get me to pass this test.
18.
2 points
A triangle has vertices at A (1, 3), B (4, 2), and C (3, 8). Which transformation would produce an image with vertices A′(3, − 1), B′(2, − 4), C′(8, − 3)?
19.
2 points
An object 
has 
an 
order
 of 
rotation 
of 
6.

 What 
is 
its angle 
of
 rotation?
20.
2 points
A positive angle of rotation turns a figure
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