document.write( "Question 140998: Using the coordinates of 20,18 and 35,6\r
\n" ); document.write( "\n" ); document.write( "Give a brief explnation describing the graph in terms of x-axis and y-axis\r
\n" ); document.write( "\n" ); document.write( "Find the slope of line. \n" ); document.write( "
Algebra.Com's Answer #102668 by checkley77(12844)\"\" \"About 
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(20,18) and (35,6)
\n" ); document.write( "slope=(y2-y1)(/(x2-x1)
\n" ); document.write( "slope=(6-18)/(35-20)
\n" ); document.write( "slope=-12/15
\n" ); document.write( "slope=-4/5 answer for the slope of this line.
\n" ); document.write( "Y=mX+b
\n" ); document.write( "18=-4/5*20+b
\n" ); document.write( "18=-80/5+b
\n" ); document.write( "18=-16+b
\n" ); document.write( "b=18+16
\n" ); document.write( "b=34 is the y intercept. (0,34)
\n" ); document.write( "y=-3x/4+34
\n" ); document.write( "seting y=0 we solve for the x intercept:
\n" ); document.write( "0=-3x/4+34
\n" ); document.write( "-3x/4=-34
\n" ); document.write( "-3x=-34*4
\n" ); document.write( "-3x=-136
\n" ); document.write( "x=-136/-3
\n" ); document.write( "x=136/4=45.333 answer for the x intercept (45.333,0)
\n" ); document.write( "\"+graph%28+600%2C+600%2C+-6%2C+50%2C+-10%2C+40%2C+-3x%2F4+%2B34%29+\" (graph 600x600 pixels, x from -6 to 50, y from -10 to 40, -3x/4 +34). \r
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