document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=519615>Question 519615</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me answer these 5 questions:\r<BR>\n" );
document.write( "\n" );
document.write( "1.) Find the slope and equations of the line through the points (1,2) and (5,2)<BR>\n" );
document.write( "2.) Find the equation of the line through point (0,-3) with a slope of 2<BR>\n" );
document.write( "3.) Find the slope and the equations of the line through the points (-1,2) and (4,(-1/2))<BR>\n" );
document.write( "4.) Find the equation of the vertical line through the point (7,-2)<BR>\n" );
document.write( "5.) Find the equation of the line through the point (5,7) with a slope of 2.<BR>\n" );
document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #345708 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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=345708\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your best chance of an answer is to ask one question at a time, not five. <BR>\n" );
document.write( ".<BR>\n" );
document.write( "1) m = change in y / change in x = rise over the run = (y-y<sub>1</sub>)/(x-x<sub>1</sub>)<BR>\n" );
document.write( "m = (2-2)/(1-4) <BR>\n" );
document.write( "m = 0/-3 = 0 which is a horizontal line<BR>\n" );
document.write( ".<BR>\n" );
document.write( "2) y = 2x -3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "3) See below.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "4) Vertical line through (7,-2) is x=7<BR>\n" );
document.write( ".<BR>\n" );
document.write( "5) See below.<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "3) slope and equation  of line through (-1,2) and (4,-1/2).<BR>\n" );
document.write( ".<BR>\n" );
document.write( "m = 2-(-1/2) / -1-4<BR>\n" );
document.write( "m = 2+1/2 / -5<BR>\n" );
document.write( "m  = (5/2) / -5 = -1/2<BR>\n" );
document.write( ".<BR>\n" );
document.write( "y = -1/2x + b<BR>\n" );
document.write( ".<BR>\n" );
document.write( "use one of the known points to find 'b'<BR>\n" );
document.write( ".<BR>\n" );
document.write( "2 = -1/2(-1) +b<BR>\n" );
document.write( "2 = 1/2 +b <BR>\n" );
document.write( "b = 3/2<BR>\n" );
document.write( ".<BR>\n" );
document.write( "y = -1/2x + 3/2<BR>\n" );
document.write( ".<BR>\n" );
document.write( "y-intercept occurs where x=0, which is (0,3/2)<BR>\n" );
document.write( "x-intercept occurs where y=0, which is (3,0)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Graph to check<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28500%2C500%2C-5%2C5%2C-5%2C5%2C-1%2F2%2Ax%2B3%2F2%29+ ALIGN=MIDDLE  ALT=\"+graph%28500%2C500%2C-5%2C5%2C-5%2C5%2C-1%2F2%2Ax%2B3%2F2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "5) Equation for the line through the point (5,7) with a slope of 2.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "y = 2x + b<BR>\n" );
document.write( ".<BR>\n" );
document.write( "use the known point to find 'b'<BR>\n" );
document.write( ".<BR>\n" );
document.write( "7 = 2(5) + b<BR>\n" );
document.write( "7 = 10 + b<BR>\n" );
document.write( "b = -3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "y = 2x-3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "y-intercept = (0, -3)<BR>\n" );
document.write( "x-intercept = (3/2, 0)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Graph<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C2%2Ax-3%29+ ALIGN=MIDDLE  ALT=\"+graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C2%2Ax-3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );