document.write( "Question 146923: segment p1 p2 has length L and endpoints p1=(2,7)and p2=(8,3).
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document.write( "find a point on p1 p2 that is 1/3L away from p1.\r
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document.write( "A.(6,11/3)
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document.write( "B.(4,5)
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document.write( "C.(4,17/3)
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document.write( "D.(11/3,17/3)
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document.write( "E.n/a \n" );
document.write( "
Algebra.Com's Answer #107713 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! segment p1 p2 has length L and endpoints p1=(2,7)and p2=(8,3). \n" ); document.write( "find a point on p1 p2 that is 1/3L away from p1. \n" ); document.write( "------------ \n" ); document.write( "Let the point be (x,y): \n" ); document.write( "EQUATION: \n" ); document.write( "distance from (2,7) to (8,3) = sqrt(4^2+6^2) = sqrt(52) \n" ); document.write( "--------- \n" ); document.write( "EQUATION: \n" ); document.write( "distance from (2,7) to (x,y) = (1/3)(sqrt(52)) \n" ); document.write( "(y-7)^2 + (x-2)^2 = 52/9 \n" ); document.write( "--------------------------- \n" ); document.write( "The solution is a circle of points. \n" ); document.write( "-------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |