Question

Which of the following is a quadratic function?
pic attached

Answer 1

quadratic so the highest degree is 2

function so the exponents must be ALL positive and in the form y = f(x)

does that help?

Answer 2

so not C

Answer 3

is it D.?

Answer 4

it's D

Answer 5

Yes. It's D. y = x squared is the parent function of a quadratic.

Answer 6

A is not a function
B is not a function
C is a linear function
D is a quadratic function

Answer 7

Sweet thanks!! :)