document.write( "Question 1143994: Solve using the quadratic form. \r
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document.write( "One-half the square of a number is equal to 16 more than twice the number. What is the number? \n" );
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Algebra.Com's Answer #764940 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Let the number be x. \n" ); document.write( "One-half the number squared is (1/2)x^2. \n" ); document.write( "16 more than twice the number is 2x+16. \n" ); document.write( "Write and solve the equation that says those two expressions are equal: \n" ); document.write( " \n" ); document.write( "It's a quadratic equation. Get everything on one side of the equation (with 0 on the other side) and try to solve using factoring; if it doesn't factor (or you can't see how it factors), use the quadratic formula. \n" ); document.write( "(If you know the basics about solving quadratic equations, you will start by multiplying the whole equation by 2 to get rid of the fractions....) \n" ); document.write( " |