What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X

Which of the following is a factor of the polynomial x^2 - 5x + 6?

A. X - 2

What is the L.C.M. of the polynomials x^2 - 1 and x^2 + 1?

A. (X^2 - 1)(X^2 + 1)

Which of the following expressions is equivalent to (3x^2 + 6x) ÷ 3x?

A. X + 2

Using the Remainder Theorem, what is the remainder when the polynomial f(x) = x^3 - 4x^2 + 6 is divided by x - 2?

B. 2