The binomial x - 3 is not a factor of which of the following trinomials?
2x2 - x - 15
3x2 - 13x + 12
2x2 - 8x + 6
2x2 - 7x - 3
A rectangular parking lot has an area of 5x2 + 17x + 6 square units. One of its sides is
5x + 6
x + 2
5x + 2
5x + 1
The polynomial a2 - b + ab - a on factorisation reduces to
(a + b) (a2 + b2)
(a + b) (a + 1)
(a - b) (a + b)
(a + b) (a - 1)
25 (x + y)2 - 36 (x - 2y)2 can be factorised as
(5x - 12y) (-6x + 5y)
(11x - 7y) (-x + 17y)
(-11x + 7y) (x - 17y)
(-5x + 12y) (6x - 5y)
The complete factorisation of -12b5 - b3 + b is
-b (12b4 + b2 - 1)
b (2b - 1) (2b + 1) (1 + 3b2)
-b (4b2 - 1) (3b2 + 1)
b (1 - 2b) (1 + 2b) (1 + 3b2)
For what value of a are the factors of y2 - ay + 16 the same?
+ 8
- 8
10
- 10
Which of the following is one side of a rectangle with area 40n2 + n - 6?
8n + 3
5n - 2
5n + 2
8n + 4
One of the factors of (x - y)2 - 4 (x - y) - 45 is
x - y + 9
x - y - 5
x - y - 9
x + y + 5
The area of a square is 4x2 + 20x + 25 which expression represents a side of the square?
(2x - 5)
(5 - 2x)
(2x + 5)
2x2 + 5
The polynomial 12m3 + 6m2 - 6m on factorisation reduces to
(2m - 1) (m + 1)
6 (2m - 1) (m + 1)
6m (2m + 1) (m + 1)
6m (2m - 1) (m + 1)
