Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter2: Linear Equations
Section2.6: Ratios And Proportions
Problem 53PFA
Related questions
Question
![5. The scale of a map is lcm: 5 miles. The distance between the two cities is 112 miles. How
far apart are they on the map?
(a) 11.2 cm
(b) 22.4 cm
(c) 56 cm
(d) 560 cm
6. The liquid outer core of Earth is 2300 kilometers thick. A scale model of the layers of Earth
has a scale of 1 inch: 500 km. How thick is the liquid outer core of the model?
(a) 0.2 inches
(b) 4.6 inches
(c) 0.2 km
(d) 4.6 km
7. If you reflect ABCD across the
AB'C'D'
x-axis, what would be the coordinates of
3+
6 5 4 -3
3-
4-
-5+
(a)
B'(4,4), C'(1,5), D'(6,1)
B'(-4, –4), C'(-1, –5), D'(-6, –1)
B'(4, –4), C'(1, –5), D'(6, – 1)
(d)
B'(-4,4), C'(-1,5), D'(-6,1)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fddaf6000-ea4e-45c9-bc47-df1cdad2e2f9%2Fff0a34b7-c44f-4e47-a2a7-6e8c88d2cc81%2F1lp4r5i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. The scale of a map is lcm: 5 miles. The distance between the two cities is 112 miles. How
far apart are they on the map?
(a) 11.2 cm
(b) 22.4 cm
(c) 56 cm
(d) 560 cm
6. The liquid outer core of Earth is 2300 kilometers thick. A scale model of the layers of Earth
has a scale of 1 inch: 500 km. How thick is the liquid outer core of the model?
(a) 0.2 inches
(b) 4.6 inches
(c) 0.2 km
(d) 4.6 km
7. If you reflect ABCD across the
AB'C'D'
x-axis, what would be the coordinates of
3+
6 5 4 -3
3-
4-
-5+
(a)
B'(4,4), C'(1,5), D'(6,1)
B'(-4, –4), C'(-1, –5), D'(-6, –1)
B'(4, –4), C'(1, –5), D'(6, – 1)
(d)
B'(-4,4), C'(-1,5), D'(-6,1)
![1. Solve the following proportion:
12
-8
(a) -12
(b) -14
(c) -16
(d) -18
2. The ratios of the measures of three angles of a triangle are 5 : 15 : 10. Find the measures of
the angles.
(a) 5°, 15°, 10° (b) 50°, 40°, 90° (c) 30°,90°, 60° (d) 60°, 180°, 120°
3. Determine whether the
dilation from A to B is an
enlargement or a
reduction. Then find the scale factor
(a) Enlargement with a scale factor of 3
(b) Enlargement with a scale factor of 2
(c) Reduction with a scale factor of -
(d) Reduction with a scale factor of-
4. Graph the original figure and its dilated image. Then verify that the dilation is a similarity
transformation.
Original: A(0,0), B(6,0),C(6,4), D(0,4)
Image: E(0,0), X(3,0), Y(3,2), Z(0,2)
Is the dilation a similarity transformation?
(a) Yes
(b) No](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fddaf6000-ea4e-45c9-bc47-df1cdad2e2f9%2Fff0a34b7-c44f-4e47-a2a7-6e8c88d2cc81%2Fmetay7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Solve the following proportion:
12
-8
(a) -12
(b) -14
(c) -16
(d) -18
2. The ratios of the measures of three angles of a triangle are 5 : 15 : 10. Find the measures of
the angles.
(a) 5°, 15°, 10° (b) 50°, 40°, 90° (c) 30°,90°, 60° (d) 60°, 180°, 120°
3. Determine whether the
dilation from A to B is an
enlargement or a
reduction. Then find the scale factor
(a) Enlargement with a scale factor of 3
(b) Enlargement with a scale factor of 2
(c) Reduction with a scale factor of -
(d) Reduction with a scale factor of-
4. Graph the original figure and its dilated image. Then verify that the dilation is a similarity
transformation.
Original: A(0,0), B(6,0),C(6,4), D(0,4)
Image: E(0,0), X(3,0), Y(3,2), Z(0,2)
Is the dilation a similarity transformation?
(a) Yes
(b) No
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