document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=536033>Question 536033</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help pls T_T I'm sorry if this is too much but I really need to solve this to pass T_T , Here's the image link : <a  rel=nofollow HREF=\"http://i39.tinypic.com/2drxwty.png\">http://i39.tinypic.com/2drxwty.png</a>\r<BR>\n" );
document.write( "\n" );
document.write( "1) For what value or values of x is (check image) undefined ?\r<BR>\n" );
document.write( "\n" );
document.write( "2) If (check image) , express y in terms of x\r<BR>\n" );
document.write( "\n" );
document.write( "3) A motorist gets 3 more kilometers per liter when he drives along a highway than when he drives along a city road. Recently he drove 120km on a highway and 180km on a city road and used exactly 23 liters of gasoline. How many kilometers per liter did he get when he drove along the city road ?\r<BR>\n" );
document.write( "\n" );
document.write( "4) If (check image) , find x given that k = 3/4\r<BR>\n" );
document.write( "\n" );
document.write( "5) Mang Andok can finish a job in 6 hours while Mang Bok can finish the same job in 8 hours . They decided to work together , but they stop to talk and sometimes they argue . Assume that each man's work rate decreases by the same percent. If they complete the job in 5 hours , what is the percent decrease in the men's work rates?\r<BR>\n" );
document.write( "\n" );
document.write( "6) Let a and b be distinct real numbers such that (check image)\r<BR>\n" );
document.write( "\n" );
document.write( "7) If a nonzero number n increased by 4 times its reciprocal is equal to a real number constant r what is the sum of all possible values of n ?\r<BR>\n" );
document.write( "\n" );
document.write( "Image link : <a  rel=nofollow HREF=\"http://i39.tinypic.com/2drxwty.png\">http://i39.tinypic.com/2drxwty.png</a>\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Please T_T :'(\r<BR>\n" );
document.write( "\n" );
document.write( "thanks if you can help<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #352106 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=352106\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) For what value or values of x is (check image) undefined ?<BR>\n" );
document.write( "x=0\r<BR>\n" );
document.write( "\n" );
document.write( "2) If (check image) , express y in terms of x<BR>\n" );
document.write( "y=x+1\r<BR>\n" );
document.write( "\n" );
document.write( "3) A motorist gets 3 more kilometers per liter when he drives along a highway than when he drives along a city road. Recently he drove 120km on a highway and 180km on a city road and used exactly 23 liters of gasoline. How many kilometers per liter did he get when he drove along the city road ?<BR>\n" );
document.write( "let him get x km/l on city road<BR>\n" );
document.write( "He gets (x+3)km/l on highway<BR>\n" );
document.write( "120/(x+3)+180/x= 23<BR>\n" );
document.write( "LCD = x(x+3). Multiply by LCD<BR>\n" );
document.write( "120x+180(x+3)=23x(x+3)<BR>\n" );
document.write( "120x+180x+540=23x^2+69x<BR>\n" );
document.write( "300x+540=23x^2+69x<BR>\n" );
document.write( "23x^2-231x-540=0<BR>\n" );
document.write( "Find the roots of the equation by quadratic formula						<BR>\n" );
document.write( "						<BR>\n" );
document.write( "a=23,b=	-231c-540	<BR>\n" );
document.write( "						<BR>\n" );
document.write( "b^2-4ac=	53361	-	49680			<BR>\n" );
document.write( "b^2-4ac=	103041					<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%09103041%09%29 ALIGN=MIDDLE  ALT=\"sqrt%28%09103041%09%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=	321			<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >						<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >						<BR>\n" );
document.write( "x1=(231	+321)/46	<BR>\n" );
document.write( "x1=	12					<BR>\n" );
document.write( "x2=(	231	-321	) /	46		<BR>\n" );
document.write( "x2= 	-1.957					<BR>\n" );
document.write( "Ignore negative value						<BR>\n" );
document.write( "speed	=	12	mph	on city road<BR>\n" );
document.write( "15 on highway		\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "4) If (check image) , find x given that k = 3/4<BR>\n" );
document.write( "x=k/(k-x)<BR>\n" );
document.write( "kx-x^2=k<BR>\n" );
document.write( "x^2=kx-k<BR>\n" );
document.write( "x^2=k(x-1)<BR>\n" );
document.write( "x^2=3/4(x-1)<BR>\n" );
document.write( "multiply by 4<BR>\n" );
document.write( "4x^2=3x-3<BR>\n" );
document.write( "4x^2-3x+3=0<BR>\n" );
document.write( "a=	4	,b=	-3	c	3<BR>\n" );
document.write( "					<BR>\n" );
document.write( "b^2-4ac=	9		-48		<BR>\n" );
document.write( "b^2-4ac=	-39				<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%09-39%09%29 ALIGN=MIDDLE  ALT=\"sqrt%28%09-39%09%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=	6.244998i<BR>\n" );
document.write( "x1= (3+6.244998i)/8	<BR>\n" );
document.write( "x1= 0.375 + 0.78062475 i<BR>\n" );
document.write( "x2= 0.375 - 0.78062475 i\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "5) Mang Andok can finish a job in 6 hours while Mang Bok can finish the same job in 8 hours . They decided to work together , but they stop to talk and sometimes they argue . Assume that each man's work rate decreases by the same percent. If they complete the job in 5 hours , what is the percent decrease in the men's work rates?\r<BR>\n" );
document.write( "\n" );
document.write( "6) Let a and b be distinct real numbers such that (check image)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "7) If a nonzero number n increased by 4 times its reciprocal is equal to a real number constant r what is the sum of all possible values of n ?\r<BR>\n" );
document.write( "\n" );
document.write( "Sorry too many questions\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );