H homebound New member Joined Mar 7, 2012 Messages 1 Mar 7, 2012 #1 Trying to find the function's vertex, whether it is at its minimum or maximum point, its zeros and sketch the function. The problem is y=-2x^2+18x
Trying to find the function's vertex, whether it is at its minimum or maximum point, its zeros and sketch the function. The problem is y=-2x^2+18x
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Mar 8, 2012 #2 I'd start with "Completing the Square". What did you try, first?
W wjm11 Senior Member Joined Nov 13, 2004 Messages 1,417 Mar 8, 2012 #3 Trying to find the function's vertex, whether it is at its minimum or maximum point, its zeros and sketch the function. The problem is y=-2x^2+18x Click to expand... You can learn about parabolas here (w/lots of good examples): http://www.purplemath.com/modules/parabola.htm And graphing quadratics/parabolas here: http://www.purplemath.com/modules/grphquad.htm
Trying to find the function's vertex, whether it is at its minimum or maximum point, its zeros and sketch the function. The problem is y=-2x^2+18x Click to expand... You can learn about parabolas here (w/lots of good examples): http://www.purplemath.com/modules/parabola.htm And graphing quadratics/parabolas here: http://www.purplemath.com/modules/grphquad.htm
