## MCQ Questions for Class 9 Maths Chapter 4 Linear Equations for Two Variables

Explore numerous MCQ Questions of Linear Equations for Two Variables Class 9 with answers provided with detailed solutions by looking below.

Question 1.

A linear equation in two variables has maximum :

(a) Only one solution

(b) Two solution

(c) Infinite solution

(d) None of these

## Answer

Answer: (c) Infinite solution

Question 2.

Solutions of the equation 2x + 5y = 0 is:

(a) 3,0

(b) -3,2

(c) 0,0

(d) 0,4

## Answer

Answer: (c) 0,0

Question 3.

All linear equations in two variables have ————– .

(a) One solution

(b) Infinitely many solutions

(c) Three solutions

(d) Two solution

## Answer

Answer: (b) Infinitely many solutions

Question 4.

The equation of a line parallel to x-axis and 3 units above the origin is

(a) x = -3

(b) x = 3

(c) y = -3

(d) y = 3

## Answer

Answer: (d) y = 3

Question 5.

If (2, 0) is a solution of the linear equation 2x +3y = k, then the value of k is:

(a) 4

(b) 6

(c) 5

(d) 2

## Answer

Answer: (a) 4

Question 6.

The graph of x = 3 is a line:

(a) Parallel to x-axis at a distance of 3 units from the origin

(b) Parallel to y-axis at a distance of 3 units from the origin

(c) Makes an intercept 3 on x-axis

(d) Makes an intercept 3 on y-axis

## Answer

Answer: (b) Parallel to y-axis at a distance of 3 units from the origin

Question 7.

y = 0 is the equation of

(a) a line parallel to x-axis

(b) a line parallel to y-axis

(c) x-axis

(d) y-axis

## Answer

Answer: (b) a line parallel to y-axis

Question 8.

The value of k if x = 2, y = 1 is a solution of equation 2x – k = – 3y is:

(a) 6

(b) 5

(c) 7

(d) -7

## Answer

Answer: (c) 7

Question 9.

For two lines 2x + y = 1 and x – y = 2 if the x coordinate of the common point is 1 what is the y coordinate?

(a) -1

(b) 2

(c) -2

(d) 3

## Answer

Answer: (a) -1

Question 10.

Five years ago, A was thrice as old as B and ten years later, A shall be twice as old as B. What is the present age of A.

(a) 20

(b) 50

(c) 60

(d) 40

## Answer

Answer: (b) 50