Question

Q.1 The expression x + 3 is in
(a) one variable
(b) two variables
(c) no variable
(d) none of these.
Q.2 The value of 5x when x = 5 is
(a) 5
(b) 10
(c) 25
(d) -5.
Q.3 The value of x2 - 2x + 1 when x = 1 is
(a) 1
(b) 2
(c)-2
(d) 0.
Q. 4 How many terms are there in the expression 5 – 3xy ?
(a) 1
(b) 2
(c) 3
(d) 5.​

Answer 1

Answer:

Q. 1

(a)

Q. 2

(c)

Q. 3

(c)

Q. 4

(b)