1. A circle with centre C has equation x² + y² − 6x + 4y = 12. (a) By completing the square, express this equation in the form (x − a)² + (y − b)² = r² (b) Write down: (i) the coordinates of C; (ii) the radius of the circle. Another circle has centre C (-3, 3) and radius 5.
1. A circle with centre C has equation x² + y² − 6x + 4y = 12. (a) By completing the square, express this equation in the form (x − a)² + (y − b)² = r² (b) Write down: (i) the coordinates of C; (ii) the radius of the circle. Another circle has centre C (-3, 3) and radius 5.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section: Chapter Questions
Problem 13T
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