document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=551001>Question 551001</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A straight line makes on the co-ordinate axes positive intercepts whose sum is 5.If the positive line passes through the point P(-3,4),find its equation.pls....help me. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #359343 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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/cgi-bin/show-face.mpl?user=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=359343\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let the y-intercept equal (j,0)<BR>\n" );
document.write( "let the x-intercept equal (k,0)<BR>\n" );
document.write( "\"positive intercepts whose sum is 5\" ___ j + k = 5 ___ k = 5 - j\r<BR>\n" );
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document.write( "using slope-intercept, the equation of the line will be ___ y = (-j / k)x + j\r<BR>\n" );
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document.write( "y - j = (-j / k)x\r<BR>\n" );
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document.write( "substituting ___ y - j = [-j / (5 - j)]x\r<BR>\n" );
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document.write( "substituting point P ___ 4 - j = [-j / (5 - j)](-3)\r<BR>\n" );
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document.write( "(4 - j)(5 - j) = 3j ___ j^2 - 9j + 20 = 3j ___ j^2 - 12j + 20 = 0 ___ (j - 10)(j - 2) = 0\r<BR>\n" );
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document.write( "j = 10 ___ and ___ j = 2 ___ (10 is too big)\r<BR>\n" );
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document.write( "substitute back with the value of j to find k, then put the values into the slope-intercept equation\r<BR>\n" );
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document.write( "for \"standard\" form<BR>\n" );
document.write( "___ multiplying by k ___ ky = -jx + jk<BR>\n" );
document.write( "___ adding jx ___ jx + ky = jk </SPAN>\n" );
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