document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=41529>Question 41529</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. Are the following lines parallel, perpendicular, or neither?<BR>\n" );
document.write( "   L1 with equation x – 2y = 10<BR>\n" );
document.write( "   L2 with equation 2x + y = 2\r<BR>\n" );
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document.write( "2. Given f(x) = –x3 – 3x2 + 3x + 7, find f(–1), f(0), and f(2)\r<BR>\n" );
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document.write( "Many thanks in advance since I am doing my finals! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26811 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=26811\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Are the following lines parallel, perpendicular, or neither?<BR>\n" );
document.write( "L1 with equation x – 2y = 10\r<BR>\n" );
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document.write( "Slope-intercept form:<BR>\n" );
document.write( "L1: y=(x-10)/2, so slope is 1/2<BR>\n" );
document.write( "L2 with equation 2x + y = 2 <BR>\n" );
document.write( "L2: y=-2x+2, so slope is -2<BR>\n" );
document.write( "Since the slopes are the negative-reciprocal of each other<BR>\n" );
document.write( "the lines are perpendicular.\r<BR>\n" );
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document.write( "2. Given f(x) = –x^3 – 3x^2 + 3x + 7, find f(–1), f(0), and f(2)\r<BR>\n" );
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document.write( "Substitute to find f(x):<BR>\n" );
document.write( "f(-1)=-(-1)^3-2(-1)^2+3(-1)+7<BR>\n" );
document.write( "     =1-2-3+7=3<BR>\n" );
document.write( "Do the same for the other parts of this problem. <BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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