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

B. 4XY

If the roots of the quadratic equation ax^2 + bx + c = 0 are 3 and 4, what is the value of c if a = 1 and b = -7?

A. 12

Which of the following expressions is equivalent to (x^2 - 1)/(x - 1)?

A. X + 1

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