Transcript Name the Ordered Pair for Each Point #1. S #2. H #3. D #4. B

NAME THE ORDERED
PAIR FOR EACH POINT
#1. S
#2. H
#3. D
#4. B
Bell Ringer
HOMEWORK CHECK
*TURN IN YOUR GRAPHING
ACTIVITY*
QUIZ TIME

There is to be NO talking during the quiz.

You can use a calculator during the quiz.

Make sure to circle/highlight/box your answers.

When you are finished, go to www.quizlet.com
and make flash cards for the vocabulary words.

You will have to create an account using either a
facebook log in or an email address.
SECTION 2.7
TRANSLATIONS AND REFLECTIONS
R drive > Key > Week 13 > Thursday >
Section 2.7
File > Save As > P drive > Math > Week 13 >
Section 2.7
WHAT IS A TRANSLATION??
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http://www.youtube.com/watch?v=oqI6ZKQhEf8
“Shuffle” in basketball, volleyball, tennis,
softball/baseball
Cheer/Dance changing formations.
WHAT IS A REFLECTION??
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http://www.youtube.com/watch?v=E4YZKGpe-D0
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When you made “cut outs” as a kid
VOCABULARY
Transformation – An operation that maps an
original geometric figure onto a new figure
 Image – The resulting figure after a
transformation
 Translation – When you SLIDE a figure from
one position to another without turning it
 Reflection – When you FLIP a figure over a line.
 Line of Symmetry – The line you flip a figure
over in a reflection
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TAKING A CLOSER LOOK
Translation
Reflection
NOTES
Translation
Called a SLIDE
 Image is the same
shape and the same
size as original figure
 Orientation is the
same as the original
figure
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Reflection
Called a FLIP
 Figures are mirror
images of each other
 Image is the same
shape and same size
as original figure
 Orientation is
different from the
original figure
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NOTES - TRANSLATIONS
When translating a figure, every point of the
original figure is moved the SAME DISTANCE
and the SAME DIRECTION
EXAMPLES OF TRANSLATIONS
* NOTICE : A’ is read “A prime”
NOTES - TRANSLATIONS
EXAMPLE 1
TRANSLATIONS
EXAMPLE 2
TRANSLATIONS
EXAMPLE 3
TRANSLATIONS
NOTES - REFLECTIONS
EXAMPLES OF REFLECTIONS
NOTES - REFLECTIONS
EXAMPLE 4
REFLECTIONS ON A COORDINATE PLANE
EXAMPLE 5
REFLECTIONS ON A COORDINATE PLANE
EXAMPLE 6
REFLECTIONS ON A COORDINATE PLANE
HOMEWORK
SECTION 2.7 #1, 3, 4, 9, 10
HOMEWORK
SECTION 2.7 #1, 3, 4, 9, 10
HOMEWORK
SECTION 2.7 #1, 3, 4, 9, 10
HOMEWORK
SECTION 2.7 #1, 3, 4, 9, 10
HOMEWORK
SECTION 2.7 #1, 3, 4, 9, 10