document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=3192>Question 3192</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would you write an equation of a line whose slope is 0 and passes through the point (-4,7) ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #1391 by </B><A HREF=/tutors/aboutme.mpl?userid=drglass><B>drglass(89)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drglass><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=1391\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Start with the basic equation of a line:<br><BR>\n" );
document.write( "y = mx + b<br><BR>\n" );
document.write( "Since the slope m = 0, the equation becomes:<br><BR>\n" );
document.write( "y = 0*x + b = b<br><BR>\n" );
document.write( "where b is the y-intercept. To find the intercept, we take the equation:<br><BR>\n" );
document.write( "y = 0*x + b and put the values of the point (-4, 7) into the equation:<br><BR>\n" );
document.write( "7 = 0*(-4) + b, which means, b = 7. Our equation becomes:<br><BR>\n" );
document.write( "y = 7<br><BR>\n" );
document.write( "This means any value of x will produce the result y = 7. Graphically, it looks like:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28+300%2C+200%2C+-5%2C+5%2C+-1%2C+10%2C+7%29 ALIGN=MIDDLE  ALT=\"graph%28+300%2C+200%2C+-5%2C+5%2C+-1%2C+10%2C+7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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