A) Moves points across a specified line so that the line is the perpendicular bisector of each line segment connecting corresponding pre-image and image points
B) Moves points the same distance along lines that are parallel to each other
C) Moves points along concentric circles and through the same angle of rotation
D) Moves points away from, or closer to, the center point by a given factor
2
1 pt
Which definition below describes a translation?
A) Moves points across a specified line so that the line is the perpendicular bisector of each line segment connecting corresponding pre-image and image points
B) Moves points the same distance along lines that are parallel to each other
C) Moves points along concentric circles and through the same angle of rotation
D) Moves points away from, or closer to, the center point by a given factor
3
1 pt
Which definition below describes a reflection?
A) Moves points across a specified line so that the line is the perpendicular bisector of each line segment connecting corresponding pre-image and image points
B) Moves points the same distance along lines that are parallel to each other
C) Moves points along concentric circles and through the same angle of rotation
D) Moves points away from, or closer to, the center point by a given factor
For number 4-7, fill in the blank with the appropriate word.
4
1 pt
A ___________ moves every point of the pre-image the same distance and direction to the image.
A) Rigid Motions
B) Translations
C) Equidistant
D) 90 degree angle
5
1 pt
In a reflection, the line of reflection intersects the line segments connecting corresponding points of the pre-image at a __________________.
A) Rigid Motions
B) Translations
C) Equidistant
D) 90 degree angle
6
1 pt
In a rotation, the pre-image and image will stay ______________ from the center of rotation.
A) Rigid Motions
B) Translations
C) Equidistant
D) 90 degree angle
7
1 pt
The ______________ preserve distances and angles between anchor points on the pre-image so that the image is the same size and shape.
A) Rigid Motions
B) Translations
C) Equidistant
D) 90 degree angle
8
1 pt
When connecting the pre-image and image of a rotated object, circles describe the movement better than straight lines.
True
False
9
1 pt
The pre-image and image are equidistant from the line of reflection.
True
False
10
1 pt
When reflecting an object, ALL of the connecting lines of the pre-image and image points are equal lengths.
True
False
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