document.write( "Question 1180172: Find the points of intersection of the line y = 7x-42 and the circle with equation x^2+y^2-4x+6y = 12 \n" ); document.write( "
Algebra.Com's Answer #809773 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "You substitute y = 7x-42 from the first equation into the second equation.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Doing this way, you obtain a quadratic equation for x.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "You solve it and obtain the solutions for x (if they do exist).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then for each found value of x you find the corresponding value of y, using the first equation.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Having my instructions, the rest is standard mechanical work, which I leave to you.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "---------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To see many other similar solved problems (yours TEMPLATES), look into the lesson\r \n" ); document.write( "\n" ); document.write( " - Solving systems of algebraic equations of degree 2 and degree 1 \r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |