document.write( "Question 689131: Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle.
\n" );
document.write( "x^2+y^2-8x-6y+9=0
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #425842 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. \n" ); document.write( "x^2+y^2-8x-6y+9=0 \n" ); document.write( "----- \n" ); document.write( "Complete the square on the x-terms and on the y-terms: \n" ); document.write( "x^2 - 8x + 16 + y^2 - 6y + 9 = 16 \n" ); document.write( "----------- \n" ); document.write( "(x-4)^2 + (y-3)^2 = 4^2 \n" ); document.write( "------ \n" ); document.write( "Center: (4,3) \n" ); document.write( "radius: 4 \n" ); document.write( "y-axis intercept: (0,3) \n" ); document.write( "---- \n" ); document.write( "x-axis intercepts ?? \n" ); document.write( "Let y = 0, then x^2 -8x + 9 = 0 \n" ); document.write( "(x-9)(x+1) = 0 \n" ); document.write( "x-axis intercepts: (9,0) and (-1,0) \n" ); document.write( "============================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \n" ); document.write( " \n" ); document.write( " |