Understand Parallel Line Transformation Properties
Middle School Math · Flashcards · Application
MIDDLE SCHOOL MATH · FLASHCARDS
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QUESTION
Find the image slope: If a line has slope
m
m
m
, what is the slope after reflection across the
x
x
x
-axis?
QUESTION
Identify the transformation:
(
x
,
y
)
→
(
y
,
−
x
)
(x,y) \rightarrow (y,-x)
(
x
,
y
)
→
(
y
,
−
x
)
; does it preserve parallel lines?
QUESTION
What is the slope of the image of
y
=
2
x
+
1
y = 2x + 1
y
=
2
x
+
1
after a translation by
(
5
,
−
3
)
(5, -3)
(
5
,
−
3
)
?
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ANSWER
2
2
2
. Translations don't change slope; shifts position only.
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