document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=236042>Question 236042</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve these:\r<BR>\n" );
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document.write( "Are the roots given for each equation correct?\r<BR>\n" );
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document.write( "w squared + 14w = 49 (7, -7)  (I say this is not correct but I can't prove why)\r<BR>\n" );
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document.write( "2t squared - 7t -4 = 0 (4, - 1/2)  ____________________(I don't know how to solve this) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #173785 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=173785\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Are the roots given for each equation correct?<BR>\n" );
document.write( "Substitute the number pair into the equation to see if you get a true result.<BR>\n" );
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document.write( "w squared + 14w = 49 (7, -7) <BR>\n" );
document.write( "w^2 + 14w = 49<BR>\n" );
document.write( "7^2 + 14*7 = 49<BR>\n" );
document.write( "49 + 98 = 49<BR>\n" );
document.write( "147 = 49<BR>\n" );
document.write( "No, so 7 is not a root.<BR>\n" );
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document.write( "(-7)^2 +14*-7 = 49<BR>\n" );
document.write( "49 - 98 = 49<BR>\n" );
document.write( "-50 = 49<BR>\n" );
document.write( "No, so -7 is not a root.<BR>\n" );
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document.write( "2t squared - 7t -4 = 0 (4, - 1/2) <BR>\n" );
document.write( "2t^2 - 7t - 4 = 0<BR>\n" );
document.write( "2(4)^2 - 7*4 - 4 = 0<BR>\n" );
document.write( "32 - 28 - 4 = 0<BR>\n" );
document.write( "0 = 0<BR>\n" );
document.write( "Yes, so 4 is a root.<BR>\n" );
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document.write( "2(-1/2)^2 - 7(1/2) - 4 = 0<BR>\n" );
document.write( "2(1/4) - (7/2) - 4 = 0<BR>\n" );
document.write( "1/2 - 3 1/2 - 4 = 0<BR>\n" );
document.write( "No, so -1/2 is not a root<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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