document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1136528>Question 1136528</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If z=3 is a solution of the equation 5z^2+kz-30=0 the value of k and other solution of the equation are respectively<BR>\n" );
document.write( "-5 and 2<BR>\n" );
document.write( "-5 and -2<BR>\n" );
document.write( "5 and 2 </SPAN>\n" );
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document.write( "z=3 is a solution to the quadratic equation, so (z-3) is a factor of the quadratic expression.  Find the other factor.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28z-3%29%28az%2Bb%29+=+5z%5E2%2Bkz-30 ALIGN=MIDDLE  ALT=\"%28z-3%29%28az%2Bb%29+=+5z%5E2%2Bkz-30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "For the leading coefficient of the quadratic to be 5, a must be 5.<BR>\n" );
document.write( "For the constant term in the quadratic to be -30, b has to be 10.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28z-3%29%285z%2B10%29+=+5z%5E2-5z-30+=+5z%5E2%2Bkz-30 ALIGN=MIDDLE  ALT=\"%28z-3%29%285z%2B10%29+=+5z%5E2-5z-30+=+5z%5E2%2Bkz-30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "k is -5; and the second root is -2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );