document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1070962>Question 1070962</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If given: u <-1, 7> and v <4, -3> then what's the measure of the angle between them?\r<BR>\n" );
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document.write( "A.) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+45+ ALIGN=MIDDLE  ALT=\"+45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "B.) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+135+ ALIGN=MIDDLE  ALT=\"+135+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "C.) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+225+ ALIGN=MIDDLE  ALT=\"+225+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "D.) B and C </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #686023 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=686023\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the dot product,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2Ab=abs%28a%29abs%28b%29cos%28theta%29 ALIGN=MIDDLE  ALT=\"a%2Ab=abs%28a%29abs%28b%29cos%28theta%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29=%28a%2Ab%29%2F%28abs%28a%29%2Aabs%28b%29%29 ALIGN=MIDDLE  ALT=\"cos%28theta%29=%28a%2Ab%29%2F%28abs%28a%29%2Aabs%28b%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29=%28-1%2A4%2B7%2A%28-3%29%29%2F%28sqrt%28%28-1%29%5E2%2B7%5E2%29%29sqrt%284%5E2%2B%28-3%29%5E2%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29=%28-25%29%2F%28sqrt%281%2B49%29sqrt%2816%2B9%29%29 ALIGN=MIDDLE  ALT=\"cos%28theta%29=%28-25%29%2F%28sqrt%281%2B49%29sqrt%2816%2B9%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29=%28-25%29%2F%285sqrt%282%29%2A5%29 ALIGN=MIDDLE  ALT=\"cos%28theta%29=%28-25%29%2F%285sqrt%282%29%2A5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29=%28-1%29%2F%28sqrt%282%29%29 ALIGN=MIDDLE  ALT=\"cos%28theta%29=%28-1%29%2F%28sqrt%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29=-sqrt%282%29%2F2 ALIGN=MIDDLE  ALT=\"cos%28theta%29=-sqrt%282%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=theta=135 ALIGN=MIDDLE  ALT=\"theta=135\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );