document.write( "Question 52064: Hi I have several questions that I completely don’t understand and need help on. \r
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\n" ); document.write( "\n" ); document.write( "1. Solve by completing the square y^2-6y=16 \r
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\n" ); document.write( "\n" ); document.write( "2. Determine the nature of the solutions of 3z^2+2z-1=0 \r
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\n" ); document.write( "\n" ); document.write( "3. Solve Using the quadratic formula 3p^2-3p-4=0 \r
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\n" ); document.write( "\n" ); document.write( "4. Solve 2x^2-5x-12=0 \r
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\n" ); document.write( "\n" ); document.write( "I would really appreciate if you could help me with these problems as soon as possible because I have a test and I need some help so it would be nice if you could respond before 7 am tomorrow morning. \r
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\n" ); document.write( "\n" ); document.write( "Jake
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Algebra.Com's Answer #34730 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"y%5E2-6y=16\"
\n" ); document.write( "\"y%5E2+-6y+%2B+9+=+16+%2B+9\"
\n" ); document.write( "\"%28y+-+3%29%5E2+=+25\"
\n" ); document.write( "What I did was take 1/2 of the coefficient of y, square it, and add it to
\n" ); document.write( "both sides
\n" ); document.write( "\"y+-+3+=+5\"
\n" ); document.write( "\"y+=+8\"
\n" ); document.write( "check
\n" ); document.write( "\"y%5E2-6y=16\"
\n" ); document.write( "\"8%5E2+-6%2A8+=+16\"
\n" ); document.write( "\"64+-+48+=+16\"
\n" ); document.write( "\"16+=+16\"
\n" ); document.write( "OK
\n" ); document.write( "------------------
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "If b^2-4*a*c turns out to be positive, then the solutions are real
\n" ); document.write( "If it's negative, the solutions are imaginary
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\n" ); document.write( "3p^2-3p-4=0
\n" ); document.write( "\"p+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "\"p+=+%28-%28-3%29+%2B-+sqrt%28+%28-3%29%5E2-4%2A3%2A%28-4%29+%29%29%2F%282%2A3%29+\"
\n" ); document.write( "\"p+=+%283+%2B-+sqrt%2857+%29%29%2F6+\" answer
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\n" ); document.write( "2x^2-5x-12=0
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "\"x+=+%285+%2B-+sqrt%28+25-96+%29%29%2F4+\"
\n" ); document.write( "\"x+=+%285+%2B-+sqrt%28+121+%29%29%2F4+\"
\n" ); document.write( "\"x+=+%285+%2B+11%29%2F+4\"
\n" ); document.write( "\"x+=+%285+-+11%29%2F+4\"
\n" ); document.write( "So the solutions are x = 4, x = - 3/2\r
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