Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function. f(x)=-2x^2+2x+9
(I need the x-coordinate and the y-coordinate and the equation for the line of symmetry.) Please? and thank you. :)

Question

hero · Answer

You need all of that, huh?

saifoo.khan · Answer

hmm.

anonymous · Answer

According to the question in my homework...

hero · Answer

And you can't find one of those by yourself?

saifoo.khan · Answer

it's a Combo question.

anonymous · Answer

Yes, saif knows. :)

saifoo.khan · Answer

;)

anonymous · Answer

I tried using the wolframalpha site, but I can only come up with the graph. I don't know what the other properties translate to.

saifoo.khan · Answer

vertex = (1/2 , 19/2)
sym = x=1/2
max, 19/2

anonymous · Answer

oooooooooooooooooook! woo! Lifesaver! :D

hero · Answer

What would you do without Saifoo?

saifoo.khan · Answer

Thanks for the lifesaver thing. =)

anonymous · Answer

Walk to the campus that is 5 miles away without a car and try to find a study group and leave my infant daughter at home with my cancer patient father... Why?

anonymous · Answer

He has been a bigger help than he will ever know. :)

anonymous · Answer

= no car, no family

hero · Answer

What's a snot rocket?

anonymous · Answer

You really wanna know? lol

hero · Answer

I'm scared :P

anonymous · Answer

I have a different sense of humor and sometimes it's gross. hahaha! ;p

shadowfiend · Answer

Hero, you need to reconsider the tone in which you answer questions like this. We want members of our community to feel welcome, not talked down to. Feel free to guide them, not chastise them.