Polynomials Tes...

$$\sqrt 2$$ is a polynomial of degree

Which type of polynomial is $$y^3-y$$ ?

Which type of Polynomial is $$t^{2}$$ ?

Which type of polynomial is $$1 + x + x^2$$ ?

If $$\alpha$$ and $$\beta$$ are the zeroes of the polynomial $$4x^{2} + 3x + 7$$, then $$\dfrac{1}{\alpha }+\dfrac{1}{\beta }$$ is equal to:

Which type of polynomial is $$(2+x)$$ ?

$$3 $$ is a  type of 

Which is a binomial of degree $$20$$?

Classify the following as a constant, linear, quadratic, and cubic polynomial:
$$\sqrt{2}x-1$$

Which of the following is quadratic polynomial