document.write( "Question 595638: explain in detail how to graph this linear equation by graphing. i do not understand how you can look at it and graph it. this first equation goes on top. the second goes understand. 3x+4y=2, x-y=1 \n" ); document.write( "
Algebra.Com's Answer #377226 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! graphing linear equations by \"inspection\" is fairly straight forward\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the x and y intercepts (where the line crosses the two axes) are easy to determine, and the two points allow the line to be drawn\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the y-intercept is the value of y, when x equals zero (and vice versa)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "looking at the 1st equation \n" ); document.write( "___ ignoring the x-term (because it equals zero) ___ 4y = 2 ___ y = 1/2 ___ this is the y-intercept \n" ); document.write( "___ ignoring the y-term ___ 3x = 2 ___ x = 2/3 ___ this is the x-intercept \n" ); document.write( "___ the line connecting the two points is the graph of the equation\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "looking at the 2nd equation \n" ); document.write( "___ ignoring the x-term ___ -y = 1 ___ y = -1 ___ this is the y-intercept \n" ); document.write( "___ ignoring the y-term ___ x = 1 ___ this is the x-intercept \n" ); document.write( "___ the line connecting the two points is the graph of the equation \n" ); document.write( " |