AnswersWHS Pre-Algebra - MA3119 B-CRTopic Test

Topic Test — Cumulative exam Answers

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Which rectangle has an area of 18 square units?

A
On a coordinate plane, a rectangle is 2 units high and 7 units wide.
Option A
B
On a coordinate plane, a rectangle is 2 units high and 6 units wide.
Option B
C
On a coordinate plane, a rectangle is 3 units high and 5 units wide.
Option C
D
On a coordinate plane, a rectangle is 3 units high and 6 units wide.
Option D
42
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Triangle JKL is transformed by performing a 90 clockwise rotation about the origin and then a reflection over the y-axis, creating triangle J’’K’’L’’. Which transformation will map J’’K’’L’’ back to JKL?

Question illustration
A
a reflection over the y-axis and then a 90 clockwise rotation about the origin
Option A
B
a reflection over the x-axis and then a 90 counterclockwise rotation about the origin
Option B
C
a reflection over the x-axis and then a 90 clockwise rotation about the origin
Option C
D
a reflection over the x-axis and then a reflection over the y-axis
43

The volume of a cylinder is 576 cubic inches. The radius of the circular base is 4 inches. What is the height of the cylinder? Recall the formula .

Question illustration
A
18 inches
B
24 inches
C
36 inches
D
72 inches
44

Which dimensions can create only one unique triangle?

A
three angles measuring , , and
Option A
B
three sides measuring 14 m, 11 m, and 18 m
C
three angles measuring , , and
Option C
D
three sides measuring 3 cm, 4 cm, and 8 cm
45

Which expression can be used to determine the length of segment ZY?

Question illustration
A
8 squared + 3 squared
Option A
B
StartRoot 8 squared + 3 squared EndRoot
Option B
C
8 squared minus 3 squared
Option C
D
StartRoot 8 squared minus 3 squared EndRoot
Option D
46

Which of the following values could represent the probabilities of complementary events?

A
and
Option A
B
28% and 82%
C
and
Option C
D
10% and 80%
47

A developer is considering buying a triangular plot of land represented by the shaded figure below.What is the total area of the land?

Question illustration
A
365 yd2
B
730 yd2
C
49,500 yd2
D
99,000 yd2
48

Compare the given dimensions of four triangles. Which triangle is possible to construct?

A
side lengths of 6 m, 8 m, and 9 m
B
side lengths of 4 m, 5 m, and 12 m
C
side lengths of 2 m, 5 m, and 8 m
D
side lengths of 4 m, 7 m, and 13 m
49

The measure of angle 3 is 42°.What is the measure of angle 1 in degrees?

Question illustration
Answer not available
50

Which transformations can be used to map a triangle with vertices A(2, 2), B(4, 1), C(4, 5) to A’(–2, –2), B’(–1, –4), C’(–5, –4)?

A
a 180 rotation about the origin
Option A
B
a 90 counterclockwise rotation about the origin and a translation down 4 units
Option B
C
a 90 clockwise rotation about the origin and a reflection over the y-axis
Option C
D
a reflection over the y-axis and then a 90 clockwise rotation about the origin
Option D

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