document.write( "Question 1091103: Determine the number of solutions of the linear system 15x + 5y =310 and 17x -4y=593 \n" ); document.write( "

Algebra.Com's Answer #705520 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "The first line is \r\n" );
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document.write( "y =  = .  It has the slope of (-5).\r\n" );
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document.write( "The second line is  \r\n" );
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document.write( "y =  = .  It has the slope of .\r\n" );
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document.write( "Since the slopes are different, the straight lines are not parallel.\r\n" );
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document.write( "Hence. they have an intersection point, and this point is unique.\r\n" );
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document.write( "The intersection point represents the solution of the system.\r\n" );
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document.write( "So, you can conclude that the given system has ONE and ONLY ONE solution.\r\n" );
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\n" ); document.write( "\n" ); document.write( "See the lesson \r
\n" ); document.write( "\n" ); document.write( " - Geometric interpretation of a linear system of two equations in two unknowns \r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( " - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lesson is the part of this online textbook under the topic \"Systems of two linear equations in two unknowns\".\r
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