If (A + B)2 = 20 and A2 + B2 = 12 , then AB = ..............
4
10
8
If 2a + b =5 and c = 1 , then the value of the expression b + 2 (a + c) = ..............
7
6
The perimeter of the rectangle whose dimensions are (2x + 3) and (1 + x) equals .............. unit length.
6x+8
4x+6
6x+4
The increase of 5y than 9y is ..............
14y
4y
4y-
Simplify to simplest form: 3x + 2y + 6x –y+ 3y +9x- 7y – 5x
7y+ 12x
13x-3y
3y - 13x
If M = 4-x , N = 2x +1 Calculate the numerical value of the expression: MN -3N when x=1
3
9
0
(6x2+ 9x3) ÷ 3x = ..............
5x2
2x+ 3x2
3x+ 2x2
The algebraic expression 3x4 – 6x2+ x + 32 is of the ........ degree.
first
second
third
fourth
Find the product: (2x + 2y) (5x - y)
10X2 - 8xy+2y2
10X2 + 8xy-2y2
10X2 - 8xy-2y2
4a + 2b is greater than 2b – 4a by ..............
4a
4b
8a
8a-
If 4 c =16 and cd = 1 , then d = ........
0.5
1/4
Divide: X4y2 – 6x2y2+ 6x3y2 by x2y2
X2 – 6y+ 6x
X2 – 6+ 6x
yX2 – 6y+ 6x
If (x + 2) (x – 5) = x2 + A – 10 , then A equals: ........
3x-
3x
7x
A rectangle whose length is 6A and its width is 3B , then its perimeter is ..............
( 6A +3B) 2
( 6A +3B) 4
( 6A x 3B) 2
The degree of the algebraic term 6xy is.............