document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147959>Question 147959</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. Suppose the slope of line AB is zero. What is the slope of Line CD given that<BR>\n" );
document.write( "   a.  Line CD is parallel to AB?<BR>\n" );
document.write( "   b.  Line CD is perpendicular to AB?<BR>\n" );
document.write( "2.  Suppose the slope of Line LT is undefined.  What is the slope of Line RD given that<BR>\n" );
document.write( "   a.  Line RD is parallel to line LT?<BR>\n" );
document.write( "   b.  Line RD is perpendicula to Line LT?<BR>\n" );
document.write( "3.  Tell whether each statement is always, sometimes , or never true.<BR>\n" );
document.write( "   a.  The slope of the line with positive x- and y-intercepts is positive.<BR>\n" );
document.write( "   b.  The slope of the line with negative x- and y-intercepts is negative.<BR>\n" );
document.write( "4.  Slopes are used in the planning and construction of the roof of a building.  The slope of the roof is called pitch.  A carpenter must know the pitch of a roof to cut rafters of the correct lenght.<BR>\n" );
document.write( "   A.  The rise of the roof is 14 ft. and the span is 28 ft.  Find the pitch.<BR>\n" );
document.write( "   B.  The pitch of the roof Mang Itoy is building if 5 to 12.  Half of the spam id 16 ft.  What is the rise?<BR>\n" );
document.write( "   C.  About how long should a rafter for the roof decribed in letter A be? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #108356 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=108356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Suppose the slope of line AB is zero. <BR>\n" );
document.write( "What is the slope of Line CD given that<BR>\n" );
document.write( "a. Line CD is parallel to AB? : zero<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "b. Line CD is perpendicular to AB?: undefined<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "2. Suppose the slope of Line LT is undefined. What is the slope of Line RD given that<BR>\n" );
document.write( "a. Line RD is parallel to line LT?: undefined<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "b. Line RD is perpendicula to Line LT?: zero<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "3. Tell whether each statement is always, sometimes , or never true.<BR>\n" );
document.write( "a. The slope of the line with positive x- and y-intercepts is positive.: never<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "b. The slope of the line with negative x- and y-intercepts is negative.: always<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "4. Slopes are used in the planning and construction of the roof of a building. The slope of the roof is called pitch. A carpenter must know the pitch of a roof to cut rafters of the correct length.<BR>\n" );
document.write( "A. The rise of the roof is 14 ft. and the span is 28 ft. Find the pitch.:14/14 <BR>\n" );
document.write( "I am assuming the span is from one side of the roof to the other.<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "B. The pitch of the roof Mang Itoy is building is 5 to 12. Half of the span is 16 ft. What is the rise? : 5/12 = x/16 ; x = 20/3 = 6 2/3<BR>\n" );
document.write( "---------------------- <BR>\n" );
document.write( "C. About how long should a rafter for the roof decribed in letter A be?<BR>\n" );
document.write( "length = sqrt(14^2+14^2) = 14sqrt(2) = 19.798 ft.<BR>\n" );
document.write( "=======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );