If n = 2. Find the value of (n + 2)?
4
2
0
8
Find the value of the following expressions for a = 3, b = 3 a + b ?
5
6
-6
What is the coefficient of x in the following expression? 3x - 7y ?
3
-3
-1
simplify the expression 12m2 - 9m + 5m - 4m2 - 7m + 10
6m2 - 3m + 10
4m2 - 2m + 10
8m2 - 6m + 10
8m2 - 11m + 10
What are the coefficients of x in the following expression? 2z - 5xz
-2z
2z
5z
-5z
Find the value of the following expression when n = -2 2n2 - 2
Identify in the following expression, terms which are not constants. Give their numerical coefficient 2xy - 6x + 5?
-2, 6
2, 6
2, -6
-2, -6
In the following expression, give the numerical coefficient(s) of the term(s) which is not a constant 7y2x + 2
7
-7
Identify terms which contain y2 & give the co-efficient of y2 (9 - xy)2
y = 9
y = 8
y = -9
y = 10
Simplify the expression and find it's value when a = 4, b = -2
3(a2 + ab) + (5 - b)
-31
31
21
41