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

A. X - 2

If the highest common factor (H.C.F.) of the polynomials 2x^2 - 8 and 4x^2 - 16 is k, what is the value of k?

B. 4(X - 2)

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

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