document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=321380>Question 321380</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the intercepts of the graph of equation<BR>\n" );
document.write( "y=x^2 +3x-4\r<BR>\n" );
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document.write( "rewrite the following with positive exponent<BR>\n" );
document.write( "(43xy)^-8/9\r<BR>\n" );
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document.write( "please divide<BR>\n" );
document.write( "(28b^3 +13b^2 + 22b + 25) / (4b+3)\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "multiply and simplify<BR>\n" );
document.write( "81x^2/4x^2-32x+64 multiplied by 4x-16/9x\r<BR>\n" );
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document.write( "what is the value of the discriminant<BR>\n" );
document.write( "20x^2-7x+13=0\r<BR>\n" );
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document.write( "thank you in advance for all your help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #230190 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=230190\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the intercepts of the graph of equation<BR>\n" );
document.write( "y=x^2 +3x-4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "y-intercept = ?<BR>\n" );
document.write( "Let x = 0, then y = -4<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "x-intercepts = ?<BR>\n" );
document.write( "Let y = 0,then<BR>\n" );
document.write( "x^2+3x-4 = 0<BR>\n" );
document.write( "(x+4)(x-1) = 0<BR>\n" );
document.write( "x = -4 or x = 1<BR>\n" );
document.write( "----------------------------- <BR>\n" );
document.write( "rewrite the following with positive exponent<BR>\n" );
document.write( "(43xy)^-8/9<BR>\n" );
document.write( "Note: The \"negative\" in the exponent tells you to invert.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= (1/43xy)^(8/9)<BR>\n" );
document.write( "---------------------------- <BR>\n" );
document.write( "please divide<BR>\n" );
document.write( "(28b^3 +13b^2 + 22b + 25) / (4b+3)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Using synthetic division:<BR>\n" );
document.write( "-3/4)....28....13....22....25<BR>\n" );
document.write( ".........28...-8.....28..|..4\r<BR>\n" );
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document.write( "Quotient: 28b^2 - 8b + 28<BR>\n" );
document.write( "Remainder: 4<BR>\n" );
document.write( "====================\r<BR>\n" );
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document.write( "multiply and simplify<BR>\n" );
document.write( "[81x^2]/[4x^2-32x+64] * [4x-16]/9x<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Factor where you can:<BR>\n" );
document.write( "[81x^2]/[4(x-4)^2] * [4(x-4)]/[9x]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Cancel all factors that are common to a numerator and a denominator:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= [9x]/[(x-4)] * [1]/[1]<BR>\n" );
document.write( "----<BR>\n" );
document.write( "= 9x/(x-4)<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( " <BR>\n" );
document.write( "what is the value of the discriminant<BR>\n" );
document.write( "20x^2-7x+13=0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "b^2-4ac = (-7))^2-4*20*13 = -18<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" );