document.write( "Question 875255: I am studying for my finals and I need help with\r
\n" ); document.write( "\n" ); document.write( "Consider y= -2x^2-8x+5
\n" ); document.write( " Express it in Vertex form, then find the vertex.
\n" ); document.write( "I figured part a. out, y=a(x-8)^2+5, xv= 8, yv= 5
\n" ); document.write( "I still need help with b.
\n" ); document.write( " Is the vertex a maximum or minimum point? What is its value
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #528074 by josgarithmetic(39620) $\"\"$ $\"About$

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The leading term in general form or the value of the coefficient on the squared binomial will tell you if the graph or equation has vertex as a minimum or as a maximum. y=ax^2+bx+c opens upward for a>0 and opens downward for a<0.\r
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\n" ); document.write( "\n" ); document.write( "You should study more about how to complete the square to put a quadratic equation into standard form. The term to complete the square for your equation is 4; but you first need to factor the 2 from the two terms containing x.
\n" ); document.write( "You should find $\"y=-2%28x-2%29%5E2%2B13\"$ .\r
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\n" ); document.write( "\n" ); document.write( "Read and study this: Completing the Square to Solve General Quadratic Equation - includes showing how to convert to standard form. \n" ); document.write( "

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