document.write( "Question 823784: One-half the square of a number is equal to 16 more than twice the number. what is the number? \n" ); document.write( "
Algebra.Com's Answer #495801 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "x^2/2 = 2x + 16 \n" ); document.write( "(1/2)x^2 - 2x - 16 = 0 \n" ); document.write( "0.5x^2 - 2x - 16 = 0 \n" ); document.write( "--- \n" ); document.write( "the above quadratic equation is in standard form, with a=0.5, b=-2, and c=-16 \n" ); document.write( "--- \n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this: \n" ); document.write( "0.5 -2 -16 \n" ); document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "this quadratic has two real roots (the x-intercepts), which are: \n" ); document.write( "x = 8 \n" ); document.write( "x = -4 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "two different numbers satisfy the problem statement, namely 8 and -4 \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( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( " |