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What is the equation of a circle with a center at (4, –9) and a radius of 5? 1- -2 -1 1 2 3 5 9 10 11 -1 -2 -3 -4 -5 -6 -7 --8 --9 10 11- -12 -13- -14 -15 O (x + 4) + (y – 9)² = 5 O (r – 4) + (y + 9)² = 5 O (x + 4)° + (y – 9)² = 25 O (x – 4) + (y + 9)² = 25 |

What is the equation of a circle with a center at (4, –9) and a radius of 5? 1- -2 -1 1 2 3 5 9 10 11 -1 -2 -3 -4 -5 -6 -7 --8 --9 10 11- -12 -13- -14 -15 O (x + 4) + (y – 9)² = 5 O (r – 4) + (y + 9)² = 5 O (x + 4)° + (y – 9)² = 25 O (x – 4) + (y + 9)² = 25 |

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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Part A and Part B question, plz circle answer :) 

Part A What is the equation of a circle with a center at (4, –9) and a radius of 5? 1- -2 -1 1 2 3 4 5 10 -1- -2 -3 -4 -5 -6, -7 -8 --9 10 11- -12 -13 -14 -15 O (r + 4)? + (y – 9)² = 5 %3D O (r – 4) + (y + 9)² = 5 %3D O (x + 4)° + (y – 9)² = 25 %3D (x – 4)° + (y + 9)² = 25 %3D
Transcribed Image Text:Part A What is the equation of a circle with a center at (4, –9) and a radius of 5? 1- -2 -1 1 2 3 4 5 10 -1- -2 -3 -4 -5 -6, -7 -8 --9 10 11- -12 -13 -14 -15 O (r + 4)? + (y – 9)² = 5 %3D O (r – 4) + (y + 9)² = 5 %3D O (x + 4)° + (y – 9)² = 25 %3D (x – 4)° + (y + 9)² = 25 %3D
Part B Consider the equation of the circle. 2² – 14x + y? = 15 What is the length of the radius of the circle defined by the given equation? Enter your answer in the box. The length of the radius is units.
Transcribed Image Text:Part B Consider the equation of the circle. 2² – 14x + y? = 15 What is the length of the radius of the circle defined by the given equation? Enter your answer in the box. The length of the radius is units.
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