For what value of a are the factors of y2 - ay + 16 the same?
+ 8
- 8
10
- 10
a2b2 - 0.3 x2
a5b12 - 0.3 x18
a5b2 + 0.3 x18
a5b12 - 0.09 x18
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)
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)
One of the factors of x2 + y2 + 2xy - z2 is
(x + y + z)
(x + y - z)
(-x - y + z)
(-x + y - z)
x - 7
x - 2
x + 2
x - 1
xy (z2 + 1) + z (x2 + y2) can be factorised as
(xy + z) (yz + x)
(zx + y) (xy + z)
(yz + x) (zx + y)
(x2 + y2) (z + x)
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 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
Which of the following is one side of a rectangle with area 40n2 + n - 6?
8n + 3
5n - 2
5n + 2
8n + 4
