document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=238117>Question 238117</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I find the missing coordinate? (3, ) is a solution of y= 4-3x..Trying to help son with homework and I never took algebra in high school. I guess I am learning right along with him. Thanks for any assistance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #174988 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=174988\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the equation is y = 4 - 3x.\r<BR>\n" );
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document.write( "the coordinates are (x,y) where x is the x-coordinate and y is the y-coordinate.\r<BR>\n" );
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document.write( "since you have (x,y) = (3,...), then the x-coordinate is 3.\r<BR>\n" );
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document.write( "substitute x = 3 in your equation and solve for y.\r<BR>\n" );
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document.write( "your equation becomes y = 4 - 3*3 = 4 - 9 = -5\r<BR>\n" );
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document.write( "your missing coordinate is -5 to make (x,y) = (3,-5)\r<BR>\n" );
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document.write( "a graph of your equation looks like:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C400%2C-5%2C5%2C-5%2C5%2C4-3x%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-5%2C5%2C-5%2C5%2C4-3x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "the correct form of your equation is y = -3x + 4\r<BR>\n" );
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document.write( "The higher order term is always to the left of the lower order term.\r<BR>\n" );
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document.write( "order has to do with the exponents.\r<BR>\n" );
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document.write( "x^2 is higher order than x is higher order than 4\r<BR>\n" );
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document.write( "your equation is in the slope-intercept form of the equation for a straight line.\r<BR>\n" );
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document.write( "that form is y = mx + b where m is the slope and b is the y-intercept.\r<BR>\n" );
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document.write( "the slope of your equation is -3 and the y-intercept is 4\r<BR>\n" );
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document.write( "the y-intercept is the value of y when x = 0 which comes out to be 4 as can be seen in the graph.\r<BR>\n" );
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document.write( "the slope of -3 means that if x increases 1 unit, then y decreases 3 units.\r<BR>\n" );
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document.write( "that's why in your graph, when x = 0, y = 4, and when x = 1, y = 1, and when x = 2, y = -2\r<BR>\n" );
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document.write( "if you have the time, go through this <a  rel=nofollow HREF= \"http://www.wtamu.edu/academic/anns/mps/math/mathlab/\" target = \"_blank\">beginning, intermediate, and college algebra online tutorial from west texas a&m</a>.   It will help you.\r<BR>\n" );
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