document.write( "Question 1018235: are the two equations -6 + y = 2x and 2y - 4x = 12 dependent?\r
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\n" ); document.write( "\n" ); document.write( "A. No, because they are not parallel
\n" ); document.write( "B. Yes, because they have the same graph
\n" ); document.write( "C. Yes, because both are the equations of straight lines
\n" ); document.write( "D. No, because the equations are not written the same
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Algebra.Com's Answer #634399 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
here's a reference on type of systems of equations.\r
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\n" ); document.write( "\n" ); document.write( "http://www.algebra.com/algebra/homework/coordinate/Types-of-systems-inconsistent-dependent-independent.lesson\r
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\n" ); document.write( "\n" ); document.write( "the equations you have are dependent because they are equivalent to each other and therefore would generate the same line on the graph.\r
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\n" ); document.write( "\n" ); document.write( "this means there are an infinite number of possible solutions that are common to both equations.\r
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\n" ); document.write( "\n" ); document.write( "the best answer that fits is selection B.\r
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\n" ); document.write( "\n" ); document.write( "the 2 equations are:\r
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\n" ); document.write( "\n" ); document.write( "-6 + y = 2x and 2y - 4x = 12 \r
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\n" ); document.write( "\n" ); document.write( "solve for y in the first equation to get y = 2x + 6.\r
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\n" ); document.write( "\n" ); document.write( "solve for y in the second equaiton to get y = 2x + 6.\r
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\n" ); document.write( "\n" ); document.write( "the equations are identical.\r
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\n" ); document.write( "\n" ); document.write( "they have the same slope and the same y-intercept.\r
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\n" ); document.write( "\n" ); document.write( "they're equivalent.\r
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\n" ); document.write( "\n" ); document.write( "they fit the definition of dependent equations.\r
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\n" ); document.write( "\n" ); document.write( "dependent equations are defined as:\r
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\n" ); document.write( "\n" ); document.write( "here's another link that gives a definition of dependent equations.\r
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\n" ); document.write( "\n" ); document.write( "http://hotmath.com/hotmath_help/topics/consistent-and-dependent-systems.html\r
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