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Solve the following word problems involving equations of circle. 1. Molly is at the bank located at (-3, -4). She must drive to the grocery store next which is at (8, -4). Determine the distance she will have to drive?

Solve the following word problems involving equations of circle. 1. Molly is at the bank located at (-3, -4). She must drive to the grocery store next which is at (8, -4). Determine the distance she will have to drive?

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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A. Solve the following word problems involving equations of circle. 1. Molly is at the bank located at (-3, -4). She must drive to the grocery store next which is at (8, -4). Determine the distance she will have to drive? 2. A radio tower services a 10 km radius. You stop your car 4 km east and 9 km north of the tower. a. Write and graph an equation to represent this situation if the radio tower is at the origin of the coordinate system. b. Will you be able to receive radio waves from the tower? Explain. B. Solve the following word problems involving equations of circle. 1. If Raymond's house is at (5, 8) and his friend Ely's house is at (5,1), and each square on the grid represents one block. How many blocks would Jorge have to ride his bike to get to Ely's house? 2. A particular cell phone tower is designed to service a 12 km radius. The tower is located at(-3,5)on a coordinate plane whose units represent kilometers. a. What is the standard equation of the outer boundary of the region serviced by the tower? b. Is a cell phone user at (8,0) within the service range?
Transcribed Image Text:A. Solve the following word problems involving equations of circle. 1. Molly is at the bank located at (-3, -4). She must drive to the grocery store next which is at (8, -4). Determine the distance she will have to drive? 2. A radio tower services a 10 km radius. You stop your car 4 km east and 9 km north of the tower. a. Write and graph an equation to represent this situation if the radio tower is at the origin of the coordinate system. b. Will you be able to receive radio waves from the tower? Explain. B. Solve the following word problems involving equations of circle. 1. If Raymond's house is at (5, 8) and his friend Ely's house is at (5,1), and each square on the grid represents one block. How many blocks would Jorge have to ride his bike to get to Ely's house? 2. A particular cell phone tower is designed to service a 12 km radius. The tower is located at(-3,5)on a coordinate plane whose units represent kilometers. a. What is the standard equation of the outer boundary of the region serviced by the tower? b. Is a cell phone user at (8,0) within the service range?
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