document.write( "Question 326920: Write the function f(x) = -5x2 - 60x - 181 in vertex form, and identify its vertex \n" ); document.write( "

Algebra.Com's Answer #234235 by Fombitz(32388) $\"\"$ $\"About$

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Complete the square to put the equation in vertex form, $\"y=a%28x-h%29%5E2%2Bk\"$ where (h,k) is the vertex.
\n" ); document.write( " $\"f%28x%29+=+-5x%5E2+-+60x+-+181\"$
\n" ); document.write( " $\"f%28x%29=-5%28x%5E2%2B12x%29-181\"$
\n" ); document.write( " $\"f%28x%29=-5%28x%5E2%2B12x%2B36%29-181%2B5%2836%29\"$
\n" ); document.write( " $\"f%28x%29=-5%28x%2B6%29%5E2-1\"$
\n" ); document.write( "(h,k)=(-6,-1)
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