document.write( "Question 1142367: Please help me solve this:\r
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document.write( "Suppose AB is the diameter of a circle, where A = (−1, 1) and B = (−4, −5). The equation of the circle is\r
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document.write( "1. (x + 5/2)^2 + (y + 2)^2 = 45
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document.write( "2. 4(x + 5/2)^2 + 4(y + 2)^2 = 45
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document.write( "3. (x − 5/2)^2 + (y − 2)^2 = 45
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document.write( "4. 4(x − 5/2)^2 + 4(y − 2)^2 = 45
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document.write( "5. 2(x + 5/2)^2 + 2(y + 2)^2 = sqrt (45) \n" );
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Algebra.Com's Answer #763152 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The center of the circle is the midpoint of the diameter AB. \n" ); document.write( "The radius of the circle is half the length of the diameter AB. \n" ); document.write( "The equation of a circle with center (h,k) and radius r is, in standard form, \n" ); document.write( " \n" ); document.write( "(1) What are the coordinates of the center? \n" ); document.write( "(2) What is the radius? \n" ); document.write( "(3) What is the equation? \n" ); document.write( " |