document.write( "Question 534395: The directions say : Write the equation of the line that contains the points. Express final equation in standard form.\r
\n" ); document.write( "\n" ); document.write( "(-2,-3),(2,7)\r
\n" ); document.write( "\n" ); document.write( "I already have m=5/2. I dont know how to write the equation.
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #351492 by oberobic(2304)\"\" \"About 
You can put this solution on YOUR website!
y = mx + b
\n" ); document.write( ".
\n" ); document.write( "m = (-3-7)/(-2-2)
\n" ); document.write( "m = -10/-4
\n" ); document.write( "m = 5/2
\n" ); document.write( ".
\n" ); document.write( "y = 5/2x + b
\n" ); document.write( ".
\n" ); document.write( "Use the point (2,7) to find 'b'.
\n" ); document.write( ".
\n" ); document.write( "7 = 5/2*2 + b
\n" ); document.write( "7 = 5 + b
\n" ); document.write( "b = 2
\n" ); document.write( ".
\n" ); document.write( "y = 5/2x + 2
\n" ); document.write( ".
\n" ); document.write( "y-intercept = (0,2)
\n" ); document.write( ".
\n" ); document.write( "x-intercept = (-4/5,0)
\n" ); document.write( ".
\n" ); document.write( "\"+graph%28500%2C500%2C-5%2C5%2C-5%2C5%2C5%2F2%2Ax%2B2%29+\"
\n" ); document.write( "
\n" );