Math Mcqs

If polynomials P(x) and Q(x) are given by P(x) = 3x2 + 2x - 1 and Q(x) = - x2 - 2x + 5,

then P(x) - Q(x) =

A) 2x2 - 6
B) 4x2 + 4x + 4
C) 3x2 + 4x - 6
D) 4x2 + 4x - 6
E) 4x2 + 4x - 4
Polynomials P(x) and Q(x) are given by P(x) = 2x2 + 3x + 1 and Q(x) = 2 x2 + B x - x + 1 where B is a constant. Find B so that P(x) = Q(x).

A) 0
B) 1
C) 2
D) 3
E) 4
(2 x - 4)(3 x - 2) =

A) 6x2 - 16x + 8
B) -10x +