document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=534566>Question 534566</A>: <I><SPAN STYLE=\"word-break: break-all;\">  I took algebra in college but am 50 so been a long time, my <BR>\n" );
document.write( "daughter needs help and I dont understand could you help?<BR>\n" );
document.write( "Thankyou Algebra Angel                                                  <BR>\n" );
document.write( "                                                                         <BR>\n" );
document.write( "                                                              write an <BR>\n" );
document.write( "equation in slope- intercept, point slope, or standard form for thr <BR>\n" );
document.write( "line with the given information please explain why you chose form. 1. <BR>\n" );
document.write( "passes through (-1,4) and (-5,2), 2. slope 2, y-intercept -4   3. has <BR>\n" );
document.write( "an x-intercept of 6 and a y-intercept of 3     4. passes through (1,2) <BR>\n" );
document.write( "with slope -5/3<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #351587 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=351587\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. passes through (-1,4) and (-5,2)<BR>\n" );
document.write( "There is a two-point form that can be (but rarely is) used:<BR>\n" );
document.write( "y - 4 = [(4-2)/(-1--5)](x--1)<BR>\n" );
document.write( "y-4 = (2/4)(x+1)<BR>\n" );
document.write( "y-4 = (1/2)x + 1/2<BR>\n" );
document.write( "y = (1/2)x + (9/2)<BR>\n" );
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document.write( "2. slope 2, y-intercept -4<BR>\n" );
document.write( "Use the slope-intercept form:<BR>\n" );
document.write( "y = mx + b<BR>\n" );
document.write( "y = 2x -4<BR>\n" );
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document.write( "3. has an x-intercept of 6 and a y-intercept of 3<BR>\n" );
document.write( "You have 2 points: (6,0) and (0,3)<BR>\n" );
document.write( "m = -3/6 = -1/2<BR>\n" );
document.write( "Now use the slope-intercept form:<BR>\n" );
document.write( "y = (-1/2)x + 3<BR>\n" );
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document.write( "4. passes through (1,2) with slope -5/3<BR>\n" );
document.write( "Form y = mx + b<BR>\n" );
document.write( "You are given x,y, and m; solve for \"b\":<BR>\n" );
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document.write( "2 = (-5/3)*1 + b<BR>\n" );
document.write( "b = 6/3+5/3 = 11/3<BR>\n" );
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document.write( "y  (-5/3)x + (11/3)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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