Unit Test — Unit test Answers

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2 right triangles have identical angle measures but different side lengths. The first triangle has side lengths of 6, 10, 8 and the second triangle has side lengths of 3, 5, 4.

Question illustration
A
dilation
B
reflection
C
rotation
D
translation
22
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Triangle ABC was dilated using the rule .

Question illustration
A
10 units
B
12 units
C
16 units
D
20 units
23

On a coordinate plane, 5 parallelograms are shown. Parallelogram L M N P has points (3, 1), (4, 1), (4, 3), and (5, 3). Figure D is reflected across the x-axis. Figure B is reflected across the y-axis. Figure C is rotated in the first quadrant. Figure A is rotated in the third quadrant.

Question illustration
A
figure A
B
figure B
C
figure C
D
figure D
24

On a coordinate plane, a straight line and a parallelogram are shown. The straight line has a negative slope and has a formula of y = negative x. The parallelogram has points G (negative 2, negative 3), F (1, negative 3), E (negative 1, negative 5), and H (2, negative 5).

Question illustration
A
(–1, –3)
B
(3, –1)
C
(1, 3)
D
(–3, 1)
25

A rectangle on a coordinate plane is translated 5 units up and 3 units to the left. Which rule describes the translation?

A
(x, y) → (x + 5, y – 3)
B
(x, y) → (x + 5, y + 3)
C
(x, y) → (x – 3, y + 5)
D
(x, y) → (x + 3, y + 5)

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Unit Test — Unit test Answers — ALC EAP Geometry…