document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66145>Question 66145</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0072549017/algebrahomeworkh>Beginning Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> How would you find the equation of a line if you were given the slope and the x-intercept?\r<BR>\n" );
document.write( "\n" );
document.write( "This is a challenge question for our class for discussion. I am not sure how to answer this because I have dealt with the y-intercepts but not the x-intercepts. Could you give me an description on how to find the equation of a line. Thanks.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #46875 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=46875\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+mx+%2B+b ALIGN=MIDDLE  ALT=\"y+=+mx+%2B+b\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the slope-intercept form of a straight line<BR>\n" );
document.write( "The y-intercept occurs when x=0<BR>\n" );
document.write( "The x=intercept occurs when y=0<BR>\n" );
document.write( "You say that the slope is known and the x-intercept is known<BR>\n" );
document.write( "m is the slope, so lets say (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m+=+m%5B1%5D ALIGN=MIDDLE  ALT=\"m+=+m%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "The x-intercept is at (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B1%5D%2C+0 ALIGN=MIDDLE  ALT=\"x%5B1%5D%2C+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+mx+%2B+b ALIGN=MIDDLE  ALT=\"y+=+mx+%2B+b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "When y=0,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+=+m%5B1%5Dx%5B1%5D+%2B+b ALIGN=MIDDLE  ALT=\"0+=+m%5B1%5Dx%5B1%5D+%2B+b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+-m%5B1%5Dx%5B1%5D ALIGN=MIDDLE  ALT=\"b+=+-m%5B1%5Dx%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, the equation of the line becomes<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+m%5B1%5Dx+-+m%5B1%5Dx%5B1%5D ALIGN=MIDDLE  ALT=\"y+=+m%5B1%5Dx+-+m%5B1%5Dx%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Let's try an example<BR>\n" );
document.write( "m[1] = -1<BR>\n" );
document.write( "x[1] = 7<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+m%5B1%5Dx+-+m%5B1%5Dx%5B1%5D ALIGN=MIDDLE  ALT=\"y+=+m%5B1%5Dx+-+m%5B1%5Dx%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+-x+-+%28-1%29%2A7 ALIGN=MIDDLE  ALT=\"y+=+-x+-+%28-1%29%2A7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+-x+%2B+7 ALIGN=MIDDLE  ALT=\"y+=+-x+%2B+7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "When y=0, x=7 as it should<BR>\n" );
document.write( "When x =0 y = 7 also </SPAN>\n" );
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