document.write( "Question 649252: Determine the value of k for which the system of linear equations
\n" ); document.write( "2x−y =5
\n" ); document.write( "6x+ky=2
\n" ); document.write( "Has no solution.
\n" ); document.write( "k=?
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Algebra.Com's Answer #406907 by MathLover1(20850)\"\" \"About 
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Now we want a system with no solutions. This mean the slopes are the same,
\n" ); document.write( "but the y-intercepts are different,the lines are parallel . Again, let's get these into slop-intercept form.
\n" ); document.write( "\"2x-y+=5\"....->...\"y=2x-5\"
\n" ); document.write( "\"6x%2Bky=2\"...->....\"y=-%286%2Fk%29x%2B2%2Fk\"\r
\n" ); document.write( "\n" ); document.write( "Again, we set the slopes equal to each other. This gives us 2 = -(6/k).
\n" ); document.write( "\"2k+=+-6\"
\n" ); document.write( "\"k+=+-6%2F2\"
\n" ); document.write( "\"highlight%28k=-3%29\"\r
\n" ); document.write( "\n" ); document.write( "Now, we need to verify that the \"y-intercepts\" are not the same.
\n" ); document.write( " first substitute \"k\" in \"y=-%286%2Fk%29x%2B2%2Fk\"\r
\n" ); document.write( "\n" ); document.write( "\"y=-%286%2F-3%29x%2B2%2F-3\"\r
\n" ); document.write( "\n" ); document.write( "\"y=2x-2%2F3\"\r
\n" ); document.write( "\n" ); document.write( " The first one is \"-5\", and the second one is \"2%2Fk\", or \"-2%2F3\"\r
\n" ); document.write( "\n" ); document.write( "They clearly are not the same, so the \"system+\"\"has\"\"+no\"\"+solutions\".\r
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\n" ); document.write( "\n" ); document.write( ".
\n" ); document.write( "\"graph%28600%2C600%2C-10%2C10%2C-10%2C10%2C0%2C2x-5%2C2x-2%2F3%29\"\r
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