7 min read
This study guide covers circle equations for the SAT, focusing on the standard form equation, calculating radius and diameter, finding the center and radius using the midpoint formula and completing the square, determining point location using the distance formula, writing circle equations, and understanding tangent lines. It also includes practice questions and exam tips.
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Question 1 of 11
What are the coordinates of the center and the radius of the circle given by the equation ?
Center: (5, -3), Radius: 7
Center: (-5, 3), Radius: 49
Center: (-5, 3), Radius: 7
Center: (5, -3), Radius: 49