document.write( "Question 196769: Hi, I need help with solving these using the square root property:\r
\n" );
document.write( "\n" );
document.write( "Solve using the square root property:
\n" );
document.write( " 5x2 = 100\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "Solve using the square root property:
\n" );
document.write( " (x + 8)2 = 81
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #147475 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! 5x^2 =100 \n" ); document.write( "divide by 5 \n" ); document.write( "x^2 =20 \n" ); document.write( "sqrt \n" ); document.write( "x= +/- sqrt20 = +/- sqrt (4*5) = +/- 2sqrt5 \n" ); document.write( ". \n" ); document.write( "checks ok \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "(x+8)^2 =81 \n" ); document.write( "sqrt \n" ); document.write( "(x+8) = +/- 9 \n" ); document.write( "(x+8) =9,,,,,,,,,(x+8)=-9 \n" ); document.write( "x=1,,,,,,,,,,,,,,,,,,x=-17 \n" ); document.write( ". \n" ); document.write( "checks ok \n" ); document.write( " |