document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1146166>Question 1146166</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write a​ slope-intercept equation for a line passing through the point (4,2) that is parallel to the line 4x+7y=9. Then write a second equation for a line passing through the point(4,-2) that is perpendicular to the line 4x+7y=9. </SPAN>\n" );
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document.write( "slope-intercept equation for a line passing through the point (4,2) that is parallel to the line 4x+7y=9. <BR>\n" );
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document.write( "Then write a second equation for a line passing through the point(4,-2) that is perpendicular to the line 4x+7y=9<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Ax%2BBy=C ALIGN=MIDDLE  ALT=\"Ax%2BBy=C\"   DISABLED_style= \"max-width:90%; height:auto;\" >, a form of linear equation\r<BR>\n" );
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document.write( "Parallel line is Ax+By=K  for some real K, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=K%3C%3EC ALIGN=MIDDLE  ALT=\"K%3C%3EC\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Perpendicular line is  Bx-Ay=P  for some real P,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%3C%3EC ALIGN=MIDDLE  ALT=\"P%3C%3EC\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%3C%3EK ALIGN=MIDDLE  ALT=\"P%3C%3EK\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "In either case, if line must pass through some point  (h,v), then just substitute h and v to find the right member constant K or P. </SPAN>\n" );
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