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Mathematics 8 Online
OpenStudy (anonymous):

y = –2x2 + 3 i will upload the images in a minute

OpenStudy (anonymous):

OpenStudy (anonymous):

plz help

OpenStudy (michele_laino):

Hint: if I set x=0, into your eqaution, I get: y= -2*0 + 3= 3 so the point P=(0,3) belongs to your parabola

OpenStudy (anonymous):

Is it B?

OpenStudy (michele_laino):

no, since your parqabola has the downward concavity

OpenStudy (michele_laino):

oops...parabola...

OpenStudy (anonymous):

Is it C?

OpenStudy (michele_laino):

that's right!

OpenStudy (anonymous):

Thanks!

OpenStudy (michele_laino):

Thanks!

OpenStudy (anonymous):

yw

OpenStudy (michele_laino):

Please wait, it is A.

OpenStudy (michele_laino):

yes, since, as I wrote befor, the point P=(0,3) belongs to your parabola

OpenStudy (michele_laino):

I'm sorry it was my mistake

OpenStudy (michele_laino):

thanks!

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