can someone please help me that is really really good at graphs?

Question

anonymous · Answer

yeah, whats the question

anonymous · Answer

The graph of which quadratic equation is shown below?

anonymous · Answer

yeah i solved it

anonymous · Answer

can you help me ?

anonymous · Answer

ive been stuck on this one for 2 hours please please please someone help meeeeeeee

anonymous · Answer

Hello, it is the graph of a unreal-valued quadratic equation. Where a<0.

anonymous · Answer

i already posted the solution

anonymous · Answer

Well I would help you @isuckatmathreallybad  but... I keep getting different values for a...
do you have a more accurate graph?

anonymous · Answer

no but i have theres answer chocies that you pick would you like me to post them on here so you can see ?

anonymous · Answer

where'd you post it @Posideon

anonymous · Answer

Yes!!! omg... you should have posted them along with the question!

anonymous · Answer

y = x2 + 2x − 8 

 y = x2 − 2x − 8 

 y = −x2 − 2x + 8 

 y = −x2 − 4x − 8

anonymous · Answer

on his other thread

anonymous · Answer

the first two are out of the question because the parabola is inverted so the coefficient of x^2 must be negative

anonymous · Answer

is it the last one ?

anonymous · Answer

No the second to last one

anonymous · Answer

omg thankyou so much ! 
do you mind helping me out with another one ?

anonymous · Answer

$$y=-(x^2+2x)+8$$$$y=-(x^2+2x+1)+8+1$$$$y=-(x+1)^2+9$$
And this equation has vertex (-1,9)
Sure...

anonymous · Answer

Identify the graph of a quadratic equation with no real solutions.

anonymous · Answer

It's the one that does not touch the x-axis.

anonymous · Answer

which one is that?

anonymous · Answer

b^2-4ac<0 I didn't click them but it looks like the first one... It will be either above or below the x-axis.

anonymous · Answer

okay thankyou so muchhh

anonymous · Answer

You are welcome, and don't be afraid of math, it is fun when you practice...