Solving Linear Equations: Variable on One Side — Unit test Answers
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Which shows the pre-image of quadrilateral W'X'Y'Z' before the figure was rotated according to the rule (x, y) → (–x, –y)?
A
On a coordinate plane, a quadrilateral has points W (negative 3, 2), X (negative 3, 6), Y (negative 4, 6), Z (negative 5, 3).
B
On a coordinate plane, a quadrilateral has points W (3, negative 2), X (3, negative 6), Y (4, negative 6), Z (5, negative 3).
C
On a coordinate plane, a quadrilateral has points W (negative 2, negative 3), X (negative 6, negative 3), Y (negative 6, negative 4), Z (negative 3, negative 5).
D
On a coordinate plane, a quadrilateral has points W (negative 3, negative 2), X (negative 3, negative 6), Y (negative 4, negative 6), Z (negative 5, negative 3).
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Triangle ABC was transformed using the rule (x, y) → (–y, x). The vertices of the triangles are shown.A (–1, 1)B (1, 1)C (1, 4) A' (–1, –1)B' (–1, 1)C' (–4, 1)
A
The transformation was a 90° rotation about the origin.B
The transformation was a 180° rotation about the origin.C
The transformation was a 270° rotation about the origin.D
The transformation was a 360° rotation about the origin.23
Which statements are true about triangle ABC and its translated image, A'B'C'? Select two options.
A
The rule for the translation can be written as T–5, 3(x, y).B
The rule for the translation can be written as T3, –5(x, y).C
The rule for the translation can be written as(x, y) → (x + 3, y – 3).D
The rule for the translation can be written as(x, y) → (x – 3, y – 3).E
Triangle ABC has been translated 3 units to the right and 5 units down.24
Parallelogram ABCD is rotated to create image A'B'C'D'.
A
(x, y) → (y, –x)B
(x, y) → (–y, x)C
(x, y) → (–x, –y)D
(x, y) → (x, –y)25
Triangle RST was transformed using the rule (x, y) → (–x, –y). The vertices of the triangles are shown.R (1, 1)S (3, 1)T (1, 6) R' (–1, –1)S' (–3, –1)T' (–1, –6)
A
The transformation was a 90° rotation about the origin.B
The transformation was a 180° rotation about the origin.C
The transformation was a 270° rotation about the origin.D
The transformation was a 360° rotation about the origin.Did you find these answers helpful?
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