Unit Test — Unit test Answers

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On a coordinate plane, 2 rectangles are shown. Rectangle P Q R S has points (1, 1), (1, 5), (3, 5), (1, 5). Rectangle P double-prime Q double-prime R double-prime S double-prime has points (negative 1, negative 1), (negative 5, negative 1), (negative 5, negative 3), (negative 1, negative 3).

Question illustration
A
270 degree rotation about point 0 composition. Translation of negative 2 units x, 0 units y.
Option A
B
Translation of negative 2 units x, 0 units y composition 270 degree rotate about point 0.
Option B
C
270 degree rotation about point 0 composition reflected across the y-axis
Option C
D
Reflected across the y-axis composition 270 degree rotation about point 0.
Option D
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The rule T1, -4 RO, 180°(x, y) is applied to rectangle KLMN.

Question illustration
A
1
B
2
C
3
D
4
23

Triangle PQR has vertices , , and . It is translated according to the rule .What is the y-value of ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
24

The function rule T–4, 6(x, y) could be used to describe which translation?

A
a parallelogram on a coordinate plane that is translated 4 units down and 6 units to the right
B
a trapezoid on a coordinate plane that is translated 4 units to the left and 6 units up
C
a rhombus on a coordinate plane that is translated 4 units down and 6 units to the left
D
a rectangle on a coordinate plane that is translated 4 units to the right and 6 units up
25

Which describes the transformation? Select three options.

A
It is rigid.
B
It is nonrigid.
C
It is isometric.
D
The size is preserved.
E
The angles are not preserved.

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