document.write( "Question 533431: I need help solving this the vertex of the graph of this function:
\n" ); document.write( "f(x)=-4x^2+24x-40\r
\n" ); document.write( "\n" ); document.write( "I also need the axis of the graph of function for:
\n" ); document.write( "f(x)=4x^2-32x+27\r
\n" ); document.write( "\n" ); document.write( "As well as the quadratic function in vertex form of:
\n" ); document.write( "y=x^2+8x\r
\n" ); document.write( "\n" ); document.write( "Thanks for any help \n" ); document.write( "
Algebra.Com's Answer #351145 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
Standard form of equation for a parabola: y=A(x-h)^2+k, (h,k) being the (x,y) coordinates of the vertex
\n" ); document.write( "..
\n" ); document.write( "I need help solving this the vertex of the graph of this function:
\n" ); document.write( "f(x)=-4x^2+24x-40
\n" ); document.write( "complete the square:
\n" ); document.write( "y=-4(x^2-6x+9)-40+36
\n" ); document.write( "y=-4(x-3)^2-4
\n" ); document.write( "vertex: (3,-4)
\n" ); document.write( "..
\n" ); document.write( "I also need the axis of the graph of function for:
\n" ); document.write( "f(x)=4x^2-32x+27
\n" ); document.write( "complete the square
\n" ); document.write( "y=4(x^2-8x+16)+27-64
\n" ); document.write( "y=4(x-4)^2-37
\n" ); document.write( "vertex: (4,-37)
\n" ); document.write( "axis of symmetry: x=4 (parabola opens upwards)
\n" ); document.write( "..
\n" ); document.write( "As well as the quadratic function in vertex form of:
\n" ); document.write( "y=x^2+8x
\n" ); document.write( "complete the square
\n" ); document.write( "y=(x^2+8x+16)-16
\n" ); document.write( "y=(x+4)^2-16
\n" ); document.write( "vertex: (-4,-16) \n" ); document.write( "
\n" );