document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=621524>Question 621524</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Graph the equation by finding the slope and y-intercept.\r<BR>\n" );
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document.write( "x + 7y = -7<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 #390827 by </B><A HREF=/tutors/aboutme.mpl?userid=math-vortex><B>math-vortex(648)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math-vortex><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=math-vortex><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=390827\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi, there--<BR>\n" );
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document.write( "An easy way to find the slope and the y-intercept is to rearrange the given equation into its slope-intercept form (y=mx+b).<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B7y=-7 ALIGN=MIDDLE  ALT=\"x%2B7y=-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Subtract x from both sides of the equation.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7y=-x-7 ALIGN=MIDDLE  ALT=\"7y=-x-7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Divide both sides of the equation by 7.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-%281%2F7%29x-1 ALIGN=MIDDLE  ALT=\"y=-%281%2F7%29x-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Now the equation is in slope-intercept form (y=mx+b). The slope m is the coefficient of x, -1/7.<BR>\n" );
document.write( "The y-intecept b is -1.<BR>\n" );
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document.write( "The equation is graphed below. The line crosses the y-axis at the point (0,-1) and the slope is 1/7 (down 1 unit for every 7 units to the right.)<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%0D%0Agraph%28+600%2C+400%2C+-10%2C+10%2C+-10%2C+10%2C+-%281%2F7%29x-1%29%0D%0A ALIGN=MIDDLE  ALT=\"%0D%0Agraph%28+600%2C+400%2C+-10%2C+10%2C+-10%2C+10%2C+-%281%2F7%29x-1%29%0D%0A\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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