document.write( "Question 28675: I hope I am asking this in the right section, but I need help with this problem. \r
\n" );
document.write( "\n" );
document.write( "A budget line shows all of the different combinations of goods a person can buy with a given budget, B. If a company has $500.00 to spend on 2 goods, \"a\" and \"b\" and \"a\" = $50.00 and \"b\" = $10.00, graph the budget line using the equation ax + by = B I tried this and got the following did I do this correctly?\r
\n" );
document.write( "\n" );
document.write( "ax + by = B
\n" );
document.write( "ax + by = 500
\n" );
document.write( "50x + 10y = 500
\n" );
document.write( "10y = 500 - 50x
\n" );
document.write( "y = 50-5x
\n" );
document.write( "I used -1, 0, 1 in my xy axis table
\n" );
document.write( "I came up with three ordered pairs of (-1,55) (0,50) (1,45) \n" );
document.write( "
Algebra.Com's Answer #15615 by venugopalramana(3286) You can put this solution on YOUR website! SEE MY COMMENTS \n" ); document.write( "------------------------------ \n" ); document.write( "A budget line shows all of the different combinations of goods a person can buy with a given budget, B. If a company has $500.00 to spend on 2 goods, \"a\" and \"b\" and \"a\" = $50.00 and \"b\" = $10.00, graph the budget line using the equation ax + by = B I tried this and got the following did I do this correctly? \n" ); document.write( "ax + by = B..CORRECT..BUT FIRST GIVE X=NO.OF 'a' GOODS BOUGHT AND Y=NO.OF 'b' GOODS BOUGHT \n" ); document.write( "ax + by = 500...OK \n" ); document.write( "50x + 10y = 500...OK \n" ); document.write( "10y = 500 - 50x..OK \n" ); document.write( "y = 50-5x...OK \n" ); document.write( "I used -1, 0, 1 in my xy axis table..OK...FOR X VALUES YOU WRITE...MATHEMATICALLY OK..BUT JUST THINK PHYSICALLY?CAN YOU BUY NEGATIVE QUANTITY OF GOODS ..SO YOU BETTERR TAKE ONLY POSITIVE VALUES FOR X AND Y ..THAT IS X>=0 BUT <=10 AS OTHERWISE Y WILL BECOME NEGATIVE...SO TAKE 10 INSTEAD OF -1 FOR X. \n" ); document.write( "I came up with three ordered pairs of (-1,55) (0,50) (1,45)..EXCELLENT..AS TOLD ABOVE DROP (-1,55) AND PUT (10,0)INSTEAD...GO AHEAD AND PLOT THEM TO A SUITABLE SCALE WITH CONFIDENCE .THE GRAPH WILL LOOK LIKE THIS.. \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |