translations on the coordinate plane...translations on the coordinate plane a translation moves...
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Unit: TransformationsStudent Handout 2
TRANSLATIONS
Name Answer Key
Date
TRANSLATIONS ON THE COORDINATE PLANE
A translation moves every point of a figure the same
the same distance
A translation can move a figure and/or
Translations are also thought of as
and
1. Translate the figure 5 units left and 2 unitsdown. Record the coordinates of the pre-imageand image in the table.
PRE-IMAGE IMAGE
A'(-3J 2)
Look for any patterns and describe whathappened to the x and y values in each orderedpair:
-Moving left 5 decreased all of the x-values by 5.-Moving down 2 decreased all of the y-values by2.
How can we represent this algebraically Q
2)
2. Translate the figure 4 units right and 3 unitsup. Record the coordinates of the pre-image andimage in the table.
PRE-IMAGE IMAGE
Look for any patterns and describe whathappened to the x and y values in each orderedpair:
-Moving right 4 increased all of the x-values by4.
-Moving up 3 increased all of the y-values by 3.
How can we represent this algebraicallyQ
OManeuvering the Middle LLC, 20 17
3. Record the coordinates of the pre-image andmage in the table below.
PRE-IMAGE IMAGE
Verbal description of the translation:
7 units left and 4 units up
Algebraic representation of the translation:
What do you notice about the line segments in thepre-image and image Q Do they change sizeQ
The line segments are congruent.
4. Record the coordinates of the pre-image and
image in the table.
PRE-IMAGE IMAGE
J?
Verbal description of the translation:
Algebraic representation of the translation:
What do you notice about the angle measures inthe pre-image and image O Do they change size O
The angle measures cre conc o uent.
5. Describe the translation: 6. Describe the translation: 7. Describe the translation:
M (12.7)+ M' 14)
13 left and 7 up
Summarize today's lesson:
N N' (-5.2)
1 right and 10 up 6 left and 7 down
OManeuvering the Middle LLC, 20 17
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