document.write( "Question 78796: Hello,I need some help with some slope-intercept problems,and thanks to whoever helps me,Write an equation in slope-intercept form of a line with the following characteristics:parallel to the graph of:x+y=6 and passes through (1,-4).Next one is,Write an equation in slope-intercept form of a line with the following characteristics:perpendicular to the graph of:2x-3y=12 and passes through (4,3).The next one is,Write an equation in the slope-intercept form of a line with the following characteristics:Perpendicular to the graph of :y=3/2 x-3 with ay- intercept of 5.And the last one is,Write an equation in the slope-intercept form of a line with the following characteristics:parallel to the graph of:-4x+3y=12 and passes through the origin.Thanks to whoever can help me. \n" ); document.write( "
Algebra.Com's Answer #56543 by mathdoc314(58)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "There are several questions here. I will answer the first one and ask you to post the rest separately or solve them using the technique used in the first one.\r \n" ); document.write( "\n" ); document.write( "Write an equation in slope-intercept form of a line with the following characteristics:parallel to the graph of:x+y=6 and passes through (1,-4)\r \n" ); document.write( "\n" ); document.write( "The slope-intercept form is: y = mx + b m is the slope, b is the intercept\r \n" ); document.write( "\n" ); document.write( "The graph of x+y=6 has slope -1 \n" ); document.write( "because y changes by -1 if x changes by 1 \n" ); document.write( "or it is tilted like this: \ \n" ); document.write( "and the equation is: y = -1x + 6 slope is -1\r \n" ); document.write( "\n" ); document.write( "Your equation is y=-1x + b because m is -1 \n" ); document.write( "Parallel lines have the same slope.\r \n" ); document.write( "\n" ); document.write( "The point (1,-4) is on the line\r \n" ); document.write( "\n" ); document.write( "Plug in x=1, y = -4 and find b \n" ); document.write( "-4 = -1*1 + b \n" ); document.write( "-4 = -1 + b \n" ); document.write( "-3 = b \n" ); document.write( "b= -3\r \n" ); document.write( "\n" ); document.write( "m=-1 and b=-3 \n" ); document.write( "y = -x -3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |