document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=982866>Question 982866</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. the perimeter of a five sided figure with sides 2x-3 cm plus 2x-3 cm plus 12 cm plus 2x cm plus x square is 78 cm. what is the value of x?\r<BR>\n" );
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document.write( "2. which table shows the same rate of change of y with respect to x as <BR>\n" );
document.write( "y = 4 - 5/8x? how to find the rate of change with values of (-4, 6.5), <BR>\n" );
document.write( "(2, 2.75), (4, 1.5), (8, -1). \r<BR>\n" );
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document.write( "3. which inequality is equivalent to -3x + 2y > 5y + 9?\r<BR>\n" );
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document.write( "4. solve the quadratic equation -4.5x squared + 72 = 0\r<BR>\n" );
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document.write( "5. if f(x) is 2/3x squared + 8x, what is the value of f(6)? <BR>\n" );
document.write( "I got 56 which is the wrong answer.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #603698 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=603698\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please limit to one question per post.<BR>\n" );
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document.write( "1. the perimeter of a five sided figure with sides 2x-3 cm plus 2x-3 cm plus 12 cm plus 2x cm plus x square is 78 cm. what is the value of x?<BR>\n" );
document.write( "2x-3cm+2x-3cm+12cm+2xcm+x^2=x^2+6x+6=78cm<BR>\n" );
document.write( "x^2+6x+6=78cm<BR>\n" );
document.write( "x^2+6x-72=0<BR>\n" );
document.write( "(x-6)(x+12)=0<BR>\n" );
document.write( "x-6=0 OR x+12=0<BR>\n" );
document.write( "x=6cm OR x=-12cm<BR>\n" );
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document.write( "2. No tables given to choose which.<BR>\n" );
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document.write( "3. Which inequality is equivalent to -3x + 2y > 5y + 9? <BR>\n" );
document.write( "-3x-3y>9<BR>\n" );
document.write( "x+y<-3<BR>\n" );
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document.write( "4. solve the quadratic equation -4.5x squared + 72 = 0 <BR>\n" );
document.write( "-4.5x^2+72=0 Multiply by -2<BR>\n" );
document.write( "9x^2-144=0<BR>\n" );
document.write( "(3x-12)(3x+12)=0<BR>\n" );
document.write( "3x-12=0 OR 3x+12=0<BR>\n" );
document.write( "3x=12 OR 3x=-12<BR>\n" );
document.write( "x=4 OR x=-4<BR>\n" );
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document.write( "5. if f(x) is 2/3x squared + 8x, what is the value of f(6)?<BR>\n" );
document.write( "I got 56 which is the wrong answer. <BR>\n" );
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document.write( "It depends on the intent of the equation.  The problem is ambiguous.<BR>\n" );
document.write( "Use parentheses to clarify:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=%282%2F3x%29%5E2%2B8x ALIGN=MIDDLE  ALT=\"f%28x%29=%282%2F3x%29%5E2%2B8x\"   DISABLED_style= \"max-width:90%; height:auto;\" > f(6)=48 and 1/81<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=%282%2F3%29x%5E2%2B8x ALIGN=MIDDLE  ALT=\"f%28x%29=%282%2F3%29x%5E2%2B8x\"   DISABLED_style= \"max-width:90%; height:auto;\" > f(6)=72<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=2%2F%283x%5E2%29%2B8x ALIGN=MIDDLE  ALT=\"f%28x%29=2%2F%283x%5E2%29%2B8x\"   DISABLED_style= \"max-width:90%; height:auto;\" > f(6)=48 and 1/54\r<BR>\n" );
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