document.write( "Question 751485: given: point Q(-2,3) midpoint M(-3,-1) point P(x,y)\r
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document.write( "Find coordinates of the point P using a formula, check with graph and then find y-coordinates equal to 1 that are a distance of sqrt 6 from the point Q \n" );
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Algebra.Com's Answer #457233 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! given: point Q(-2,3) midpoint M(-3,-1) point P(x,y) \n" ); document.write( "Find coordinates of the point P using a formula \n" ); document.write( "---- \n" ); document.write( "(x+-2)/2 = -3 \n" ); document.write( "x-2 = -6 \n" ); document.write( "x = -4 \n" ); document.write( "----- \n" ); document.write( "(y+3)/2 = -1 \n" ); document.write( "y+3 = -2 \n" ); document.write( "y = -5 \n" ); document.write( "--- \n" ); document.write( "P(x,y) = P(-4,-5) \n" ); document.write( "============================ \n" ); document.write( "check with graph \n" ); document.write( "============================ \n" ); document.write( "find y-coordinates equal to 1 that are a distance of sqrt 6 \n" ); document.write( "from the point Q(-2,3) \n" ); document.write( "--- \n" ); document.write( "Find \"x\" where (x,1) are at distance sqrt(6) from Q(-2,3) \n" ); document.write( "sqrt[(x+2)^2 + (1-3)^2] = sqrt(6) \n" ); document.write( "(x+2)^2 + 4 = 6 \n" ); document.write( "(x+2)^2 = 2 \n" ); document.write( "x+2 = sqrt(2) or x+2 = -sqrt(2) \n" ); document.write( "x = -2+sqrt(2) or x = -2-sqrt(2) \n" ); document.write( "------------------------------------ \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |