document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1126749>Question 1126749</A>: <I><SPAN STYLE=\"word-break: break-all;\"> email: maplespots@gmail.com\r<BR>\n" );
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document.write( "Please help me solve this;\r<BR>\n" );
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document.write( "\"AB has endpoints A(-5,0) and B(4,3). CD has endpoints C(-3,9) and D(1,-3). The equations of the lines containing AB and CD are x - 3y = -5 and 3x + y = 0, respectively.\"\r<BR>\n" );
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document.write( "a. How could you quickly check that these equations are correct?<BR>\n" );
document.write( "b. Verify that the lines are perpendicular.<BR>\n" );
document.write( "c. Find the point of intersection of AB and CD by solving the system of equations.<BR>\n" );
document.write( "d. Find the midpoints of AB and CD. Compare your results with Part c.<BR>\n" );
document.write( "e. What kind of quadrilateral is ACBD? Explain your reasoning. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743069 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=743069\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> email: maplespots@gmail.com\r<BR>\n" );
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document.write( "Please help me solve this;\r<BR>\n" );
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document.write( "\"AB has endpoints A(-5,0) and B(4,3). CD has endpoints C(-3,9) and D(1,-3). The equations of the lines containing AB and CD are x - 3y = -5 and 3x + y = 0, respectively.\"\r<BR>\n" );
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document.write( "a. How could you quickly check that these equations are correct?<BR>\n" );
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document.write( "Sub the x & y values into the equations.<BR>\n" );
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document.write( "b. Verify that the lines are perpendicular.<BR>\n" );
document.write( "If the product of the 2 slopes is -1 they're perpendicular.<BR>\n" );
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document.write( "c. Find the point of intersection of AB and CD by solving the system of equations.<BR>\n" );
document.write( "Do that.<BR>\n" );
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document.write( "d. Find the midpoints of AB and CD. Compare your results with Part c.<BR>\n" );
document.write( "do that.<BR>\n" );
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document.write( "e. What kind of quadrilateral is ACBD? Explain your reasoning. </SPAN>\n" );
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