document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=150346>Question 150346</A>: <I><SPAN STYLE=\"word-break: break-all;\"> wHAT IS THE LINEAR EQUATION ANSWER FOR 7x+2y=o, and I have to graph it by corridinate like<BR>\n" );
document.write( "x y<BR>\n" );
document.write( "0,0<BR>\n" );
document.write( "1,1<BR>\n" );
document.write( "2,2 and it have to make a straghit line thanks u </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110341 by </B><A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><B>mangopeeler07(462)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><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=110341\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7x+2y=0\r<BR>\n" );
document.write( "\n" );
document.write( "isolate y<BR>\n" );
document.write( "2y=-7x<BR>\n" );
document.write( "y=-7/2x\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "This is the equation for the line.<BR>\n" );
document.write( "To get coordinates, plug in a value for either y or x and solve for the other variable.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Plug in 2 for x<BR>\n" );
document.write( "y=-7/2(2)<BR>\n" );
document.write( "y=-7<BR>\n" );
document.write( "(2,-7)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Plug in 4 for x<BR>\n" );
document.write( "y=-7/2(4)<BR>\n" );
document.write( "y=-14<BR>\n" );
document.write( "(4,-14)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Plug in 1 for x<BR>\n" );
document.write( "y=-7/2(1)<BR>\n" );
document.write( "y=-7/2<BR>\n" );
document.write( "(1, -7/2)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Continue this pattern to discover some more points to plot on the line.  This graph verifies the points we have already come up with.\r<BR>\n" );
document.write( "\n" );
document.write( "<TABLE  BORDER=1>\n" );
document.write( "\n" );
document.write( " <TR><TD  ALIGN=MIDDLE>Solved by <A  rel=nofollow HREF=http://wiki.algebra.com/index.php/Tutoring_-_pluggable_solvers>pluggable</A> solver: <A  rel=nofollow HREF=describe_linear_equation.solver>DESCRIBE a linear EQUATION: slope, intercepts, etc</A></TD></TR>\n" );
document.write( "<TR><TD  ALIGN=LEFT>Equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7+x+%2B+2+y+=+0 ALIGN=MIDDLE  ALT=\"7+x+%2B+2+y+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > describes a sloping line. For any <BR>\n" );
document.write( "  equation ax+by+c = 0, slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-a%2Fb+=+-7%2F2 ALIGN=MIDDLE  ALT=\"-a%2Fb+=+-7%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<UL><LI>X intercept is found by setting y to 0: ax+by=c becomes ax=c. that means that x =  c/a. 0/7 = 0.</LI><LI>Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is 0/2 = 0.</LI><LI>Slope is -7/2 = -3.5.</LI><LI> Equation in slope-intercept form: y=-3.5*x+0.</LI></UL><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28+500%2C+500%2C+0-8%2C+0%2B8%2C+0-8%2C+0%2B8%2C+-3.5%2Ax%2B0+%29+ ALIGN=MIDDLE  ALT=\"graph%28+500%2C+500%2C+0-8%2C+0%2B8%2C+0-8%2C+0%2B8%2C+-3.5%2Ax%2B0+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\n" );
document.write( "</TD></TR>\n" );
document.write( "</TABLE><BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Also, if you are asked if a certain point (set of coordinates) is a solution to the problem, you can either plug in into the equation for the line, or reference the graph of the line to see if that point is included. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );