document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=376324>Question 376324</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Was wondering if someone could help me figure out if they were done correctly. I understand there are a lot of questions, but I have tried them all and want to know if they are correct or not. Thanks.\r<BR>\n" );
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document.write( "1.	Simplify\r<BR>\n" );
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document.write( "a.	Sqrt(-49)           answer 7i<BR>\n" );
document.write( "b.	Sqrt(-36)* Sqrt(-9) answer -18<BR>\n" );
document.write( "c.	Sqrt(-81/-9)        answer 3\r<BR>\n" );
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document.write( "2.	Simplify\r<BR>\n" );
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document.write( "a.	(3+i)-(5-2i)                  answer -2+3i<BR>\n" );
document.write( "b.	(3-5i)+(6-2i)                 answer 9-7i<BR>\n" );
document.write( "c.	((1/3)-(3/2)i)-((1/6)+(2/3)i) answer (1/6)-(13/6)i\r<BR>\n" );
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document.write( "3.	Divide\r<BR>\n" );
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document.write( "a.	(2+i)/(3-i) answer (1/2)+(1/2)i<BR>\n" );
document.write( "b.	(2-i)/(5+i) answer (13/17)+(i/17)<BR>\n" );
document.write( "c.	(3+i)/(4+i) answer (13/17)+(i/17)\r<BR>\n" );
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document.write( "4.	Simplify\r<BR>\n" );
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document.write( "a.	i^29  answer Sqrt(-1)<BR>\n" );
document.write( "b.	i^15  answer –i<BR>\n" );
document.write( "c.	i^-21 answer (1/(Sqrt(-1))\r<BR>\n" );
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document.write( "5.	Solve\r<BR>\n" );
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document.write( "a.	25x^2+16=40x answer x={(4/5),(4/5)}<BR>\n" );
document.write( "b.	9x^2+9=18x   answer x={1,1}<BR>\n" );
document.write( "c.	4x^2+36=24x  answer x={3,3}\r<BR>\n" );
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document.write( "6.	Use Quadratic Formula to solve\r<BR>\n" );
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document.write( "a.	6x^2-5x+1=0  answer x={(1/3),(1/2)}<BR>\n" );
document.write( "b.	4x^2-12x+9=0 answer x={(3/2),(3/2)}<BR>\n" );
document.write( "c.	2x^2+7x-4=0  answer x={-4,(1/2)}\r<BR>\n" );
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document.write( "7.	Reduce\r<BR>\n" );
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document.write( "a.	(x^2-8x+16)/(x^2-9x+20) answer (x-4)/(x-5)<BR>\n" );
document.write( "b.	(x^2+x-6)/(x^2+4x+3)    answer (x-2)/(x+1)<BR>\n" );
document.write( "c.	(x^2-6x+9)/(x^2-9)      answer (x-3)/(x+3)\r<BR>\n" );
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document.write( "8.	Multiply and Simplify\r<BR>\n" );
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document.write( "a.	((x+2)/(x-3))*((x^2+3x-18)/(x^2+9x+14)) answer (x+6)/(x+7)<BR>\n" );
document.write( "b.	((x-1)/(x+4))*((x^2+9x+20)/(x^2+x-2))   answer (x+5)/(x+2)<BR>\n" );
document.write( "c.	((x-5)/(x+3))*((x^2+x-6)/(x^2-3x+2))    answer (x-5)/(x-1)\r<BR>\n" );
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document.write( "9.	Divide and Simplify\r<BR>\n" );
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document.write( "a.	((x^2-5x+4)/(x^2+x-2))/((x^2-2x-15)/(x^2+5x+6))    answer (x-4)/(x-5)<BR>\n" );
document.write( "b.	((x^2+8x+15)/(x^2+3x-10))/((x^2+5x+6)/(x^2+x-6))   answer (x+3)/(x+2)<BR>\n" );
document.write( "c.	((x^2+3x+2)/(x^2+3x-15))/((x^2+7x+10)/(x^2+3x-15)) answer (x+1)/(x+5)\r<BR>\n" );
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document.write( "10.	Add\r<BR>\n" );
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document.write( "a.	(2/(x+1))+(3/(x-4)) answer (5x-5)/(x+1)(x-4)<BR>\n" );
document.write( "b.	(5/(x-1))+(3/(x-4)) answer (8x-23)/(x-1)(x-4)<BR>\n" );
document.write( "c.	(1/(x+1))+(4/(x+5)) answer (5x+9)/(x+1)(x+5)\r<BR>\n" );
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document.write( "11.	Subtract\r<BR>\n" );
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document.write( "a.	((3x+1)/(9x^2-1))-(2/(3x-1)) answer (-1/(3x-1)<BR>\n" );
document.write( "c.      ((x+3)/(x^2+5x+6))-(2/(x+3)) answer (-x-1)/(x+3)(x-2)<BR>\n" );
document.write( "12.	Simplify\r<BR>\n" );
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document.write( "a.	(((3)/(xy))+2)/(((4)/(x))+((3)/(y))) answer (3x+2xy)/(4y+3x)<BR>\n" );
document.write( "b.	((5/x)+(3/y))/(2-(3/(xy)))           answer (5y+3x)/(2x-3)<BR>\n" );
document.write( "c.	((5/x)+(4/y))/((2+(3)/(xy)))         answer (5y+4x)/(2xy+3)\r<BR>\n" );
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document.write( "13.	Solve\r<BR>\n" );
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document.write( "a.	(7/(x-2))=(3/(x+1)) answer x=-(13/4)<BR>\n" );
document.write( "b.	(4/(x-3))=(3/(x+4)) answer x=-25<BR>\n" );
document.write( "c.	(2/(x-5))=(3/(x+2)) answer x=19\r<BR>\n" );
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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 #267739 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=267739\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) All correct.\r<BR>\n" );
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document.write( "2) All correct.\r<BR>\n" );
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document.write( "3) b is not correct. Answer should be 9/26-(7/26)i\r<BR>\n" );
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document.write( "4) a) also known as i<BR>\n" );
document.write( "   b) good<BR>\n" );
document.write( "   c) rationalize denominator to get -i\r<BR>\n" );
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document.write( "5) a) Solution set is simply {4/5}<BR>\n" );
document.write( "   b) Solution set is simply {1}<BR>\n" );
document.write( "   c) Solution set is simply {3}\r<BR>\n" );
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document.write( "6) a) Good<BR>\n" );
document.write( "   b) Solution set is simply {3/2}<BR>\n" );
document.write( "   c) Good\r<BR>\n" );
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document.write( "7) All correct.\r<BR>\n" );
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document.write( "8) All correct.\r<BR>\n" );
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document.write( "9) All correct.\r<BR>\n" );
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document.write( "10) All correct.\r<BR>\n" );
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document.write( "11) All correct. \r<BR>\n" );
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document.write( "12) a) Answer is (2xy+3)/(3x+4y)<BR>\n" );
document.write( "    b) Answer is (3x+5y)/(2xy-3)<BR>\n" );
document.write( "    c) Good\r<BR>\n" );
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document.write( "13) All correct.\r<BR>\n" );
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document.write( "If you need more help, email me at <a  rel=nofollow HREF=\"mailto:jim_thompson5910@hotmail.com?Subject=Algebra%20Help\">jim_thompson5910@hotmail.com</a>\r<BR>\n" );
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document.write( "Also, feel free to check out my <a  rel=nofollow HREF=\"http://www.freewebs.com/jimthompson5910/home.html\">tutoring website</a>\r<BR>\n" );
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document.write( "Jim </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );