Question

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

Answer 1

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

Answer 2

are you sure

Answer 3

* quadratic function

Answer 4

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

Answer 5

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

Answer 6

Which one from the multiple choice is it?

Answer 7

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

Answer 8

Yes but thats not of the options man

Answer 9

I gave you the multiple choice above.

Answer 10

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

if so thats the one

Answer 11

- i thought maybe that was a typo!

Answer 12

Thanks Dude

Answer 13

yw man