Compositions Answers

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5

On a coordinate plane, 3 parallelograms are shown. Parallelogram A B C D has points (3, 5), (6, 5), (4, 1), (1, 1). Parallelogram A prime B prime C prime D prime has points (3, negative 5), (6, negative 5), (4, negative 1), (1, negative 1). Parallelogram A double-prime B double-prime C double-prime D double-prime has points (negative 3, negative 4), (0, negative 4), (negative 2, 0), (negative 4, 0).

Question illustration
A
Reflection across the x-axis composition translation of negative 6 units x, 1 unit y.
Option A
B
Translation of negative 6 units x, 1 unit y composition reflection across the x-axis.
Option B
C
90 degree rotation about point 0 composition translation of negative 6 units x, 1 unit y.
Option C
D
Translation of negative 6 units x, 1 unit y composition 90 degree rotation about point 0.
Option D
7

Trapezoid E F G H is reflected across line of reflection k to form trapezoid E prime F prime G prime H prime. Trapezoid E prime F prime G prime H prime is shifted down to E double-prime F double-prime G double-prime H double-prime.

Question illustration
A
a reflection across line k followed by a translation down
B
a translation down followed by a reflection across line k
C
a 180° rotation about point G followed by a translation to the right
D
a translation to the right followed by a 180° rotation about point G
9

Question text not available

Question illustration
A
a translation down and to the right
B
a translation up and to the right
C
a 270° rotation about point B'
D
a 180° rotation about point B'

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