document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=877410>Question 877410</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm in year 9, doing graphing and finding gradient, etc. This question refers to finding gradient, although its kinda just algebra.\r<BR>\n" );
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document.write( "The question is: Find the missing number if the gradient joining points (0,2) and (1,x) is 4.\r<BR>\n" );
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document.write( "This is what I have tried:\r<BR>\n" );
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document.write( "2=(5-9)/(x-1)<BR>\n" );
document.write( "2=-4/(x-1)<BR>\n" );
document.write( "3=-4/x<BR>\n" );
document.write( "3x=-4<BR>\n" );
document.write( "x=3/4\r<BR>\n" );
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document.write( "However, the answer in the book is -1. <BR>\n" );
document.write( "I think that I have made a mistake regarding algebra or writing out the correct formula. <BR>\n" );
document.write( "I would love if you could tell me where I have gone wrong, and any implications for this type of math in the future. I have got other similar questions correct, and am thinking that I have probably made a silly mistake.\r<BR>\n" );
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document.write( "Thankyou in advance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #529322 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=529322\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The steps shown do not match the given data to any extent.  Start with the correct values in the slope formula  (and you mentioned \"gradient\" which is probably something else):\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282-x%29%2F%280-1%29=4 ALIGN=MIDDLE  ALT=\"%282-x%29%2F%280-1%29=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "and do your steps from it.\r<BR>\n" );
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document.write( "REMARK:<BR>\n" );
document.write( "You wanted help and then found or claimed it to be useless; but on the contrary, the help is plainly on target.  Your question as posted differs from the steps you showed.  You did not properly follow the slope formula, while I in fact used it for you directly. </SPAN>\n" );
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