Construct Regular Polygons (Sec 7-6) — 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).
A
270 degree rotation about point 0 composition. Translation of negative 2 units x, 0 units y.
B
Translation of negative 2 units x, 0 units y composition 270 degree rotate about point 0.
C
270 degree rotation about point 0 composition reflected across the y-axis
D
Reflected across the y-axis composition 270 degree rotation about point 0.
23
On a coordinate plane, a triangle has points A (negative 5, 3), B (negative 2, 4), C (negative 2, 2).
A
(4, 2)B
(2, 4)C
(–4, –2)D
(–2, –4)24
A composition of transformations maps pre-image EFGH to final image E"F"G"H".
A
a 180° rotation about point GB
a 180° rotation about point HC
a translation down and to the leftD
a translation up and to the right25
On a coordinate plane, 2 exponential functions are shown. f (x) approaches y = 0 in quadrant 2 and then increases into quadrant 1. It crosses the y-axis at (0, 0.5) and goes through (1, 1).
A
g(x) = 2(3)xB
g(x) = −(3)x
C
g(x) = (3)−xD
g(x) = 2(3)−xDid you find these answers helpful?
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