document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=150239>Question 150239</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help graphing a line that goes through (2,3) and haas a slope of 1/2 on a rectangular coordinate system.  I have been trying and trying this one for a while.  I am using m=y2-y1/x2-x1.  Is this correct.  \r<BR>\n" );
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document.write( "My next question is writing 2 linear equations written in the slope intercept form that are 1 parallel and perpendicular.  I know that parallel forms a 90 degree angle.\r<BR>\n" );
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document.write( "My last question is to find the slope of the line that goes through the points (-1,3),(5,-2)  It would be greatly appreciated if you could help.. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110244 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=110244\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need help graphing a line that goes through (2,3) and has a slope of 1/2 on a rectangular coordinate system. I have been trying and trying this one for a while. I am using m=y2-y1/x2-x1. Is this correct.<BR>\n" );
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document.write( "The formula is y2-y1 = m(x2-x1)<BR>\n" );
document.write( "But that is the two-point formula and you have only one point.<BR>\n" );
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document.write( "Use the point-slope formula sense you are given the slope and a point.<BR>\n" );
document.write( "y = mx + b<BR>\n" );
document.write( "You know m= 1/2 and y = 3 when x = 2; so solve for \"b\":<BR>\n" );
document.write( "3 = (1/2)2 + b<BR>\n" );
document.write( "3 = 1 + b<BR>\n" );
document.write( "b = 2<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "y = (1/2)x + 2<BR>\n" );
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document.write( "My next question is writing 2 linear equations written in the slope intercept form that are 1 parallel and perpendicular. I know that parallel forms a 90 degree angle.<BR>\n" );
document.write( "If two lines are parallel their slopes are the same.<BR>\n" );
document.write( "Example: y = 2x +3 is parallel to y = 2x + 5<BR>\n" );
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document.write( "If two lines are perpendicular the product of their slopes is -1.<BR>\n" );
document.write( "Example: y = 2x + 3 is perpendicular to y = (-1/2)x + 3<BR>\n" );
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document.write( "My last question is to find the slope of the line that goes through the points (-1,3),(5,-2)<BR>\n" );
document.write( "slope = (y2-y1)/(x2-x1) = (-2-3)/(5--1) = -5/6<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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