document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1158923>Question 1158923</A>: <I><SPAN STYLE=\"word-break: break-all;\"> finite mathematics: \r<BR>\n" );
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document.write( "A) Find the equation of the line passing through the points (1,2) and (-7,14). Write your answer in slope-intercept form. <BR>\n" );
document.write( "B) Write an equation of a line that is parallel to the line you found in part (A). Write your answer in slope-intercept form. <BR>\n" );
document.write( "C) Write an equation of a line that is perpendicular to the line you found in part (A). Write your answer in slope-intercept form.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #781903 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=781903\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the slope is change in y/change in x or 12/-8 or -3/2<BR>\n" );
document.write( "point slope formula y-y1=m(x-x1), m slope (x1, y1) a point<BR>\n" );
document.write( "y-2=(-3/2)(x-1)<BR>\n" );
document.write( "y=-(3/2)x+7/2\r<BR>\n" );
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document.write( "a line parallel to that has the same slope, so y=-(3/2)x would work.\r<BR>\n" );
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document.write( "perpendicular requires a negative reciprocal slope, and that would be 2/3, flipping over the fraction and changing the sign<BR>\n" );
document.write( "y-2=(2/3)(x-1)<BR>\n" );
document.write( "y=(2/3)x+4/3\r<BR>\n" );
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