document.write( "Question 814445: Find the distance between the points R(-4,1) and S(2,7) \n" ); document.write( "
Algebra.Com's Answer #490317 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! use the pythagorean theorem on the square of the differences in x and y \n" ); document.write( "--- \n" ); document.write( "d = sqrt( (2+4)^2 + (7-1)^2 ) \n" ); document.write( "d = sqrt( (6)^2 + (6)^2 ) \n" ); document.write( "d = sqrt( 36 + 36 ) \n" ); document.write( "d = sqrt( 72 ) \n" ); document.write( "--- \n" ); document.write( "d ~= 8.485 \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |