document.write( "Question 304404: find the slope if the regular price of gas is $1.26 in01/1997 and $2.31 in 01/2006 \n" ); document.write( "
Algebra.Com's Answer #217994 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! (1.26,0) \n" ); document.write( "(2.31,9) \n" ); document.write( "Y=mX+b where m=slope & b= the Y intercept. \n" ); document.write( "m=(Y2-Y1)/(x2-X1) \n" ); document.write( "m=(9-0)/(2.31-1.26) \n" ); document.write( "m=9/1.05 \n" ); document.write( "m=8.57 is the slope. \n" ); document.write( "0=8.57*1.26+b \n" ); document.write( "0=10.798+b \n" ); document.write( "b=-10.798 \n" ); document.write( "Y=8.57X-10.798 \n" ); document.write( " |