document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=97444>Question 97444</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find k so that the line thru (4,-1) and (k,2)is<BR>\n" );
document.write( "a). parallel to 2x+3y=6<BR>\n" );
document.write( "b). perpendicular to 5x-2y= -1<BR>\n" );
document.write( "pls show work so that i can see where i went wrong<BR>\n" );
document.write( "thank in advance<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 #70909 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=70909\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find k so that the line thru (4,-1) and (k,2)is<BR>\n" );
document.write( "a). parallel to 2x+3y=6<BR>\n" );
document.write( "b). perpendicular to 5x-2y= -1<BR>\n" );
document.write( "a) slope intercept form: y=mx+b m=slope<BR>\n" );
document.write( "2x+3y=6<BR>\n" );
document.write( "subtract 2x from both sides. 3y=-2x+6<BR>\n" );
document.write( "divide 3 into both sides. y=-(2/3)x+2<BR>\n" );
document.write( "m=-2/3 this is also the slope of (4,-1) and (k,2)<BR>\n" );
document.write( "point slope form: y-y[1]=m(x-x[1])<BR>\n" );
document.write( "-1-2=-2/3(4-k)<BR>\n" );
document.write( "-3=-8/3-(-2/3k)<BR>\n" );
document.write( "-3=-8/3+2/3k<BR>\n" );
document.write( "add 8/3 to both sides. -1/3=2/3k<BR>\n" );
document.write( "multiply 3/2 times both sides. k=-1/2=-.5 Ans.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "b) 5x-2y= -1<BR>\n" );
document.write( "subtract 5x from both sides. -2y=-5x-1<BR>\n" );
document.write( "divide -2 into both sides. y=2.5x+.5<BR>\n" );
document.write( "m=5/2<BR>\n" );
document.write( "for perpendicular line m=-1/m[1]=-2/5=-.4<BR>\n" );
document.write( "point slope form: y-y[1]=m(x-x[1]) for(4,-1) and (k,2)<BR>\n" );
document.write( "-1-2=-.4(4-k)<BR>\n" );
document.write( "-3=-1.6+.4k<BR>\n" );
document.write( "add 1.6 to both sides: .4k=1.4<BR>\n" );
document.write( "divide.4 into both sides. k=3.5 Ans.<BR>\n" );
document.write( "Ed\r<BR>\n" );
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