# NCERT Mathematics Class 9 Exemplar Ch 4 Linear Equations in Two Variables Part 1

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**Exercise 4.1**

1. The linear equation has

(A) A unique solution

(B) Two solutions

(C) Infinitely many solutions

(D) No solution

Answer: C

2. The equation has a unique solution, if x, y are:

(A) Natural numbers

(B) Positive real numbers

(C) Real numbers

(D) Rational numbers

Answer: A

3. If is a solution of the linear equation, then the value of k is

(A) 4

(B) 6

(C) 5

(D) 2

Answer: A

4. Any solution of the linear equation in two variables is of the form

(A)

(B)

(C)

(D)

Answer: A

5. The graph of the linear equation cuts the y-axis at the point

(A)

(B)

(C)

(D)

Answer: D

6. The equation, in two variables, can be written as

(A)

(B)

(C)

(D)

Answer: B

7. Any point on the x-axis is of the form

(A)

(B)

(C)

(D)

Answer: C