document.write( "Question 477314: Four different methods of solving a quadratic equation have been discussed in this course: factoring,the square root property,completing the square,and the quadratic formula.Explain under what circumstances each methods would be preferred over any of the other methods. Give an example for each circumstances. \n" ); document.write( "
Algebra.Com's Answer #327358 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Four different methods of solving a quadratic equation have been discussed in this course: factoring,the square root property,completing the square,and the quadratic formula.Explain under what circumstances each methods would be preferred over any of the other methods. Give an example for each circumstances. \n" ); document.write( "** \n" ); document.write( "quadratic equations are of the standard form: ax^2+bx+c \n" ); document.write( ".. \n" ); document.write( "Factoring should be the choice if equation appears to be factorable: \n" ); document.write( "ex: x^2-x+6=0 \n" ); document.write( "(x+2)(x-3)=0 \n" ); document.write( "x=-2 or x=3 \n" ); document.write( ".. \n" ); document.write( "Completing the square would be my next choice especially if the coefficient of x^2, a=1, and b & c are small single digits integers: \n" ); document.write( "ex:x^2-4x-6=0 \n" ); document.write( "(x^2-4x+4)-6-4=0 \n" ); document.write( "(x-2)^2-10=0 \n" ); document.write( "(x-2)^2=10 \n" ); document.write( "x-2=ħ√10 \n" ); document.write( "x=2ħ√10 \n" ); document.write( ".. \n" ); document.write( "If a, b & c are very large or very small like fractions or decimals use the quadratic formula. \n" ); document.write( "ex: 3x^2+50x-248=0 \n" ); document.write( "a=3, b=50, c=-248 \n" ); document.write( "x=[-50ħsqrt(50^2-4*3*-248)]2*3 \n" ); document.write( "x=[-50ħsqrt(2500+2976)]/6 \n" ); document.write( "x=(-50ħ√5476)/6 \n" ); document.write( "x=(-50ħ74)/6 \n" ); document.write( "x=24/6=4 \n" ); document.write( "or \n" ); document.write( "x=-124/6=-62/3 \n" ); document.write( ".. \n" ); document.write( "I'm not sure what you meant by the square root property. \n" ); document.write( " |