document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=100529>Question 100529</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I've worked these problems over and over and can't seem to find the proper answer.\r<BR>\n" );
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document.write( "1. Write the equation of the line passing through each of the given pairs of points. Write your result in slope-intercept form, where possible. (-1, 3) and (4, -2)\r<BR>\n" );
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document.write( "I got<BR>\n" );
document.write( "m = - 2 - (-3)/4 - (- 1 = -5/5 = -1<BR>\n" );
document.write( "m = -1, (x1 – y1)= (-1, 3)<BR>\n" );
document.write( "y - 3 = -1 (x -(-1))<BR>\n" );
document.write( "y = -x + 1 + 3<BR>\n" );
document.write( "y = -x + 4<BR>\n" );
document.write( "Is this right???\r<BR>\n" );
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document.write( "2. 1. Write the equation of the line passing through each of the given pairs of points. Write your result in slope-intercept form, where possible. (-2, -3) and (2, 0)\r<BR>\n" );
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document.write( "I got<BR>\n" );
document.write( "m = 0 - (-3)/2-(-2) = 3/4<BR>\n" );
document.write( "m = 3/4, (x1, x2) = (-2, -3)<BR>\n" );
document.write( "y - (-3) = 3/4 (x-(-2)<BR>\n" );
document.write( "y = 3/4x + 2 - 3 <BR>\n" );
document.write( "y = 3/4 x -1<BR>\n" );
document.write( "I know the answer is supposed to be y = 3/4 x - 3/2, but I can't get it... What am I doing wrong??? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #73175 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=73175\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Write the equation of the line passing through each of the given pairs of points. Write your result in slope-intercept form, where possible. (-1, 3) and (4, -2) <BR>\n" );
document.write( "I got<BR>\n" );
document.write( "m = [- 2 - (3)]/[4 - (- 1)] = -5/5 = -1<BR>\n" );
document.write( "That is correct.<BR>\n" );
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document.write( "You know the form of the line is y=mx+b<BR>\n" );
document.write( "You know m=-1, and y=3 when x=-1, so substitute into the form and solve for \"b\".<BR>\n" );
document.write( "3 = -1*-1+b<BR>\n" );
document.write( "b=2<BR>\n" );
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document.write( "Therefore the equation is <BR>\n" );
document.write( "y = -x + 2<BR>\n" );
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document.write( "2. 1. Write the equation of the line passing through each of the given pairs of points. Write your result in slope-intercept form, where possible. (-2, -3) and (2, 0) <BR>\n" );
document.write( "I got<BR>\n" );
document.write( "m = [0 - (-3)]/[2-(-2)] = 3/4<BR>\n" );
document.write( "That is correct.<BR>\n" );
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document.write( "m = 3/4, (x1, x2) = (-2, -3)<BR>\n" );
document.write( "y - (-3) = (3/4) (x-(-2))<BR>\n" );
document.write( "y + 3 = (3/4)x + (3/4)2<BR>\n" );
document.write( "y + 3 = (3/4)x + (3/2)<BR>\n" );
document.write( "y = (3/4)x +(3/2)-3<BR>\n" );
document.write( "y = (3/4)x - (3/2)<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "I know the answer is supposed to be y = 3/4 x - 3/2, but I can't get it... What am I doing wrong???<BR>\n" );
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