Which of the following polynomials are quadratic polynomials ?

Which of the following expression is a quadratic polynomial?

Write which of the following polynomials are linear, quadratic and cubic polynomials : r^(2)

Write which of the following polynomials are linear, quadratic and cubic polynomials : 3t

Write which of the following polynomials are linear, quadratic and cubic polynomials : 1 + x

Determine which of the following polynomials are linear, quadratic and cubic polynomials : x + y

Determine which of the following polynomials are linear, quadratic and cubic polynomials : xy

Determine which of the following polynomials are linear, quadratic and cubic polynomials : x^(2)+y^(2)+z^(2)+2xy

Write which of the following polynomials are linear, quadratic and cubic polynomials : x^(2)+x

Write which of the following polynomials are linear, quadratic and cubic polynomials : x-x^(3)

Write which of the following polynomials are linear, quadratic and cubic polynomials : y+y^(2)+4