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Aim: How do we graph, recognize, and write the equation of a circle? MB43 3/16/09 Lomas Do Now: Find the roots of y = x 2 + 3x - 7? HW: Read 525-526 Do 528 #11-23odd
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Equation of a Circle: (x - h) 2 + (y - k) 2 = r 2 where the center is (h,k) and the radius is r 1) What is the center and the radius of this circle? (x - 7) 2 + (y + 2) 2 = 36 2) What is the equation of a circle with center (5,-4) and a radius 7? Aim: How do we graph, recognize, and write the equation of a circle? MB43 3/16/09 Lomas HW: Read 525-526 Do 528 #11-23odd
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Graph the circle: (x + 3) 2 + y 2 = 16 Center: Radius: Aim: How do we graph, recognize, and write the equation of a circle? MB43 3/16/09 Lomas HW: Read 525-526 Do 528 #11-23odd
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What is the equation of this circle? Center: Radius: Aim: How do we graph, recognize, and write the equation of a circle? MB43 3/16/09 Lomas HW: Read 525-526 Do 528 #11-23odd
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Write the equation of each circle: Center (2, 0); r = 1 Center (0, 0); r = 2 Center (-4, 1); r = 5 F ind the center, radius, and graph the circle (x + 2) 2 + (y + 1) 2 = 9 Aim: How do we graph, recognize, and write the equation of a circle? MB43 3/16/09 Lomas HW: Read 525-526 Do 528 #11-23odd
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Aim: How do we graph, recognize, and write the equation of a circle? MB43 3/16/09 Lomas HW: Read 525-526 Do 528 #11-23odd
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