Fundamental Concepts
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Q1
The coefficient of xy^{2}z in 4xy^{2}z is
Marks:1Answer:
4.
Explanation:
In a product of numbers and literals, any of the factors is called the coefficient of the product of other factors. 
Q2
State in words the meaning of the following algebraic expression: (2a – b)
Marks:1Answer:
b subtracted from twice of a.
Explanation:
'b' subtracted from twice of 'a' is represented as
(2a – b) 
Q3
Give expression for the following case: Eleven added to twice of z.
Marks:1Answer:
11 + 2z
Explanation:
Twice of z = 2z
11 + 2z 
Q4
The given algebraic expression 7ab^{2} is a
Marks:1Answer:
monomial
Explanation:
Since the given algebraic expression contains only one term. Thus, the given expression is a monomial.

Q5
–3xy, 7xy and –yx are
Marks:1Answer:
like terms.
Explanation:
As the terms have the same literal factors x & y, they are all like terms.