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

If the roots of the quadratic equation ax^2 + bx + c = 0 are 2 and 3, what is the relationship between the coefficients and the roots?

C. A = 1, B = -5, C = 6

If the highest common factor (H.C.F.) of two polynomials is x + 1 and their least common multiple (L.C.M.) is x^2 - 1, what is the product of the two polynomials?

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

What is the solution to the quadratic equation x^2 - 4x + 4 = 0?

A. X = 2