document.write( "Question 133412: Determine the equation of each line. Write the answers in standard form using only integers as the coefficients.\r
\n" ); document.write( "\n" ); document.write( "The line through (0,9) that is parallel to the line 3x+5y=15 \n" ); document.write( "
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Determine the equation of each line. Write the answers in standard form using only integers as the coefficients.\r
\n" ); document.write( "\n" ); document.write( "The line through (0,9) that is parallel to the line 3x+5y=15\r
\n" ); document.write( "\n" ); document.write( " First find the slope of the line 3x+5y= 15. i.e bring it to the std form
\n" ); document.write( " y=mx+c, 5y = -3x+15 or y = (-3/5)x+15.hence m=(-3/5)\r
\n" ); document.write( "\n" ); document.write( " Let the required eq'n be m(x-x1) = (y-y1).The line passes thro'h (0,9) \r
\n" ); document.write( "\n" ); document.write( " and slope m = (-3/5).substitute these values in the req'ed eq'n
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\n" ); document.write( " we get -(3/5)(x-0)=(y-9) \r
\n" ); document.write( "\n" ); document.write( " -3(x-0) = 5(y-9) [multiply by 5 on both sides]\r
\n" ); document.write( "\n" ); document.write( " -3x-0 = 5y-45
\n" ); document.write( " 5y+3x = 45 is the req'd eq'n \n" ); document.write( "
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