Pre-Calculus Practice Problem 253

# Pre-Calculus Practice Problem 253 - Unit 8 Activity 1...

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Unit 8, Activity 1, Working with Circles with Answers Blackline Masters, Advanced Math – Pre-Calculus Page Louisiana Comprehensive Curriculum, Revised 2008 251 1. Write both the standard and general form of an equation of the circle given the following information. a) the center at (2, -3) and radius is equal to 4 ( ) ( ) x y x y x y + + = + + = 2 3 16 4 6 3 0 2 2 2 2 and b) the center at (4, 2) and the circle passing through (1, 7) ( ) ( ) x y x y x y + = + + = 4 2 34 4 6 3 0 2 2 2 2 and c) the endpoints of the diameter of the circle are (1, 5) and (-3, -7) x y x y x y + + + = + + + = 1 1 40 2 2 38 0 2 2 2 2 b g b g and d) the center is at (-2, 5) and the circle is tangent to the line x = 7. x y x y x y + + = + = 2 5 81 8 4 14 0 2 2 2 2 b g b g and 2. Each of the problems below are equations of semi-circles. For each one find
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