Question

Even odd or neither?
33. y=6x^4-3x^2+1
34. x^2+y^2=9

Answer 1

i got even for both is that correct?

Answer 2

yes they are both even, because the exponents on the x's are even, so plugging in -x or +x gives the same answer.

Answer 3

check it for differents numbers and you will see it --- so because i am not sure in those answers

Answer 4

even

Answer 5

you don't need to think about numbers if the exponents are all even because (-x)^(2n)=x^(2n) is ALWAYS EVEN