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8. Which of these is the graph of a circle whose equation is (x + 2) +-4) - 367 C. D. B.

8. Which of these is the graph of a circle whose equation is (x + 2) +-4) - 367 C. D. B.

Elementary Geometry for College Students
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter6: Circles
Section6.3: Line And Segment Relationships In The Circle
Problem 38E: The center of a circle of radius 3 inches is at a distance of 20 inches from the center of a circle...
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com Let Us Assess Choose the cerrect answer and write the letter that correeponda to the correct answer on your angwer sheet. 1. Whi uation of a circle with a center at (h, k) and a rudius ifr unita? C.+ -k) r? D. (z-A) +-4)" =r B. 2. Wh inequation of a circle with a center at the origin and a radius of r unita? C. r + (y-k)? =r D. (x-h) + - k)a -r B. 3. What the center of a cirele whose equation in (x- 9)2 +(y - 2) -36? B. (9,-2) A. (-9,-2) C. (9,2) D. (9,-2) 4. What is the equation of a circle with a center at (5,2) and a radiun of 3 units? A. (r-5)' +0y - 2) =9 B. r+5) + 6y -2) =9 C. (x+ 5)2 + (y + 2) =9 D. - 5) + ( + 2) =9 5. The diameter of a circle is 8 unita, and its center is at (-3,8). Whai is the equation of the circle? A. (x-3) +y + 8)- 64 B. (x+ 3)' +- 8)? - 64 C. (x+ 3) + - 8) - 16 D. (r -3) +(y + 8) = 16 6. Which of the following in the radius and the center of a circle whose equation is -2) + G+3) = 257 A.r= 25, (2,-3) B. r=25.(-2, 3) C. r- 5,(2,-3) D. r=5,(-2,3) 7. What in the equation of the circle whose diameter in 18 unita, and ita center in at (-3,8)? A. (x-3)+ v+B) = 324 B. (x+3) +(y +8) = 324 C. (x-3) + (y - 8) = 81 D. +3) + (y- 8) - 81 8. Which of these is the graph of a circle whose equation is (x +2) + -4)- 36? C. B. D.
Transcribed Image Text:com Let Us Assess Choose the cerrect answer and write the letter that correeponda to the correct answer on your angwer sheet. 1. Whi uation of a circle with a center at (h, k) and a rudius ifr unita? C.+ -k) r? D. (z-A) +-4)" =r B. 2. Wh inequation of a circle with a center at the origin and a radius of r unita? C. r + (y-k)? =r D. (x-h) + - k)a -r B. 3. What the center of a cirele whose equation in (x- 9)2 +(y - 2) -36? B. (9,-2) A. (-9,-2) C. (9,2) D. (9,-2) 4. What is the equation of a circle with a center at (5,2) and a radiun of 3 units? A. (r-5)' +0y - 2) =9 B. r+5) + 6y -2) =9 C. (x+ 5)2 + (y + 2) =9 D. - 5) + ( + 2) =9 5. The diameter of a circle is 8 unita, and its center is at (-3,8). Whai is the equation of the circle? A. (x-3) +y + 8)- 64 B. (x+ 3)' +- 8)? - 64 C. (x+ 3) + - 8) - 16 D. (r -3) +(y + 8) = 16 6. Which of the following in the radius and the center of a circle whose equation is -2) + G+3) = 257 A.r= 25, (2,-3) B. r=25.(-2, 3) C. r- 5,(2,-3) D. r=5,(-2,3) 7. What in the equation of the circle whose diameter in 18 unita, and ita center in at (-3,8)? A. (x-3)+ v+B) = 324 B. (x+3) +(y +8) = 324 C. (x-3) + (y - 8) = 81 D. +3) + (y- 8) - 81 8. Which of these is the graph of a circle whose equation is (x +2) + -4)- 36? C. B. D.
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