document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=254088>Question 254088</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write the equation of the line with an x intercept of 4 and a y intercept of -2<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #186398 by </B><A HREF=/tutors/aboutme.mpl?userid=blwinbbbles><B>blwinbbbles(106)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=blwinbbbles><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=blwinbbbles><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=186398\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Well if x intercept is 4 then the cordinate is (4,0) since y will be zero at the x intercept\r<BR>\n" );
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document.write( "if - 2 is the y intercept then the cordinate will be (0, -2)\r<BR>\n" );
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document.write( "so now you have two points.  since slope (m) is equal to y2-y1/x2-x1\r<BR>\n" );
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document.write( "we can use the cordinates above:\r<BR>\n" );
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document.write( "(-2-0)/(0-4) = -2/-4 = 1/2 so now we have the y intercept which is b and the slope which is m\r<BR>\n" );
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document.write( "the equation for a line is:  y = mx + b\r<BR>\n" );
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document.write( "so:  y = 1/2(x) -2\r<BR>\n" );
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document.write( "hope this helps </SPAN>\n" );
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