Which equation represents a quadratic function?
(1) y = x + 2 (3) y = x
2
(2) y = ∙x + 2∙ (4) y = 2

Question

Which equation represents a quadratic function?
(1) y = x + 2  (3) y = x
2
(2) y = ∙x + 2∙ (4) y = 2

anonymous · Answer

none of then - a quadratic equation  will contain a squared variable like x^2

anonymous · Answer

are you sure

anonymous · Answer

* quadratic function

anonymous · Answer

Well that's the only choices I have, It doesnt say none of these above.

anonymous · Answer

hhm - think so 
y = x^2 
y = x^2 + 3x -2 are quadratics

anonymous · Answer

Which one from the multiple choice is it?

anonymous · Answer

- i'm going by the uk definition - maybe its different in other countries
all the above options are linear aren't they?

anonymous · Answer

Yes but thats not of the options man

anonymous · Answer

I gave you the multiple choice above.

anonymous · Answer

ioh - is the no 3  y = x2 ( or  x^2) ?

if so thats the one

anonymous · Answer

- i thought maybe that was a typo!

anonymous · Answer

Thanks Dude

anonymous · Answer

yw man