Find the value of the following expressions for a = 3, b = 2 a2 + 2ab + b2?
22
20
-25
25
Identify in the following expression 5x2y - 2xy2 = 7, terms which are not constants. Give their numerical coefficients.
5, 2
5, -2
-5, 2
-5, -2
If A = 4 find the value of A3 - 8 (A - 12)?
49
59
48
128
If P = 5 find the value of 8P + 6
46
30
43
35
Find the value of the following expression when m = 3 2m + 3m
15
-12
-15
If n = 2. find the value of (10 - 6n)?
-4
-2
-8
-6
Find the value of the following expression for z = 1, x = 2 z3 + 5x + 2z
13
-13
12
The sum of 10x - 5 & 9x - 8?
19x - 13
20x
48x
None of these
Find the value of the following expressions for m = 7, n = 4
-94
94
84
24
What are the coefficients of y in the following expression? 8 - x + y?
-1
1
2
