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Find the center and radius of circle x + y° - 2x-4y+1=0.

Find the center and radius of circle x + y° - 2x-4y+1=0.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 41RE
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Clarification about questions . . . 1. Find the center and radius of circle x + y-2x-4y+13D0. 2. Prove that (0, -2), (-4, 8), & (3, 1) lie on the circle with center (-2, 3). 3. Find k given that (2, k) is equidistant from (3, 7) & (9, 1). 4. Find the standard equation of circle if a diameter has end points (2, 0) & (0, 2). 2 .2 5. Find the equation of line tangent the circle x+ y = 25 at point (3, -4). 2 6. Discuss the equation x +y +4x-6y 12. 7. Find the equation of circle with (3, 2), (-1, 6) as the end point of a diameter. 8. Determine whether the point (1, -2) lie inside, out side, or on the circle x +y -8x – 4y = 5.
1. Find the center and radius of circle x + y-2x-4y+1%3D0. 2. Prove that (0, -2), (-4, 8), & (3, 1) lie on the circle with center (-2, 3). 3. Find k given that (2, k) is equidistant from (3, 7) & (9, 1). 4. Find the standard equation of circle if a diameter has end points (2, 0) & (0, 2). .2 .2 5. Find the equation of line tangent the circle x+ y 25 at point (3, -4). 6. Discuss the equation x+y +4x-6y 12. 7. Find the equation of circle with (3, 2), (-1, 6) as the end point of a diameter. 8. Determine whether the point (1, -2) lie inside, out side, or on the circle x +y -8x - 4y = 5.
Transcribed Image Text:1. Find the center and radius of circle x + y-2x-4y+1%3D0. 2. Prove that (0, -2), (-4, 8), & (3, 1) lie on the circle with center (-2, 3). 3. Find k given that (2, k) is equidistant from (3, 7) & (9, 1). 4. Find the standard equation of circle if a diameter has end points (2, 0) & (0, 2). .2 .2 5. Find the equation of line tangent the circle x+ y 25 at point (3, -4). 6. Discuss the equation x+y +4x-6y 12. 7. Find the equation of circle with (3, 2), (-1, 6) as the end point of a diameter. 8. Determine whether the point (1, -2) lie inside, out side, or on the circle x +y -8x - 4y = 5.
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