If (2x+1) and (x-3) are the factors of ax2 -5x +c, then the values of a and c are respectively.
2,3
-2,3
2, -3
1,-3
Find the coefficient of x3 in the algebraic expression -x3+ 4x2+ 6x - 8.
-1
4
-8
1
If the polynomial x3 - a x2 + 2 x - a is divided by (x-a), then remainder is
a3
a2
a
-a
The coefficients of x2 and x in 2 x3 - 3 x3 - 3 x2 - 2 x + 3 are respectively.
-3,-2
-2, -3
The degree of the polynomial 4 x2 - 7 x3 + 6 x + 1 is
2
3
0
The expansion of (x+1) (x-2) (x+3) is
x3 + 2 x2 - 5 x - 6
x3 - 2 x2 + 5 x - 6
x3 + 2 x2 + 5 x - 6
x3 + 2 x2 + 5 x + 6
Factorization of x2 + 2 x - 8 is
(x+4) (x-2)
(x-4) (x+2)
(x + 4) (x + 2)
(x - 4) (x-2)
If x + y = 10 and x- y = 2 then value of x is
-6
-4
6
One of the factors of x3 - 2 x2 + 2 x - 1 is
One of the factors of x2 - 3 x - 10 is
x - 2
x + 5
x - 5
The roots of the polynomial equation x2 + 2 x = 0 are
x = 0, 2
x = 1,2
x = 1, -2
x = 0, -2