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Mathematics 20 Online
OpenStudy (anonymous):

What is the vertex for the following graph?

OpenStudy (anonymous):

OpenStudy (callisto):

Can yo work out the coordinates now?

OpenStudy (callisto):

*you

OpenStudy (anonymous):

@Callisto 2,1

OpenStudy (callisto):

What is the x-coordinate?

OpenStudy (anonymous):

@Callisto ohhh sorry 1,2

OpenStudy (callisto):

I think so :)

OpenStudy (callisto):

And no worries!

OpenStudy (anonymous):

@Callisto thanks!!! and please dont go anywhere i need help with 2 more

OpenStudy (anonymous):

What is the axis of symmetry of the following graph?

OpenStudy (callisto):

Where is the vertex located at?

OpenStudy (anonymous):

@Callisto 3?

OpenStudy (callisto):

(3,0) more precisely. And the axis of symmetry is y=k, where k is the y-coordinate of the vertex. Can you get the answer now?

OpenStudy (anonymous):

@Callisto i think y=0

OpenStudy (callisto):

Yes.

OpenStudy (anonymous):

@Callisto i love this site!!!!!!!!! why is it that you guys teach better than real teachers smh

OpenStudy (callisto):

@4everjames Glad to hear that you love this site! I think your teachers have taught you the basic things, which help you understand easier when we explain it to you again. :)

OpenStudy (anonymous):

@Callisto uh no. you guys are better.. lol..can you help with this?What is the equation of the parabola with a directrix at y = 4 and focus (0, -4)

OpenStudy (callisto):

@4everjames Sorry that I haven't learnt this before. It would be better if you posted a new question about this.

OpenStudy (anonymous):

@Callisto ok. i did

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