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OpenStax, Algebra and Trigonometry 2e §11.3 Systems of Nonlinear Equations and Inequalities: Two Variables · Example 2 · Algebra · Systems

Graph a circle

ⓐ Find the center and radius and then graph the circle $(x + 3)^{2} + (y + 4)^{2} = 4$
ⓑ Find the center and radius and then graph the circle $x^{2} + y^{2} - 6 x - 8 y + 9 = 0$

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OpenStax, Algebra and Trigonometry 2e · §11.3 Systems of Nonlinear Equations and Inequalities: Two Variables · Example 2

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