MCQs Questions for Class 9 Maths Chapter 4 Linear Equations in Two Variables
In this 21st century, Multiple Choice Questions (MCQs) play an important role to prepare for a competitive examination. Now-a-days, MCQs questions are asked in CBSE board examinations as well. In most of the competitive examinations, only MCQ Questions are asked.
In future, if you want to prepare for competitive examination, then you should focus on the MCQs questions. Thus, let’s solve these MCQs questions to make our foundation strong.
In this post, you will find 20 MCQs questions for class 9 maths chapter 4 linear equations in two variables.
MCQs Questions for Class 9
Maths Chapter 4 Linear Equations in Two Variables
1. The linear equation 8x
– 20y = 28 has:
(a) A unique solution
(b) Two solutions
(c) Infinitely many solutions
(d) No solutions
Answer: c
2. Equation of a
line, which is at a distance of 5 units above the x-axis, is
(a) x = 5
(b) x + 5 = y
(c) y = 5
(d) x – y = 0
Answer: c
3. The solution of equation x – 2y = 4 is:
(a) (0, 2)
(b) (2, 0)
(c) (4, 0)
(d) (1, 1)
Answer: c
4. Find the number of
solutions of the following pair of linear equations. x + 2y – 8 = 0 and 2x + 4y
= 16:
(a) 0
(b) 1
(c) 2
(d) Infinite
Answer: d
5. If x = 3 and y
= –2 is a solution
of the equation 4px – 3y = 12, then the value of p is
(a) 0
(b) 1/2
(c) 2
(d) 3
Answer: b
6. Point (3, 4) lies on the graph of the equation 3y = kx + 7. The value of
k is:
(a) 4/3
(b) 5/3
(c) 3
(d) 7/3
Answer: b
7. 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: a
8. Which of the
following is the equation of a line parallel to y-axis?
(a) y = 0
(b) x + y = z
(c) y = x
(d) x = k
Answer: d
9. The graph of linear equation x + 2y = 2, cuts the y-axis at:
(a) (2, 0)
(b) (0, 2)
(c) (0, 1)
(d) (1, 1)
Answer: c
10. The graph of the linear
equation 2x + 3y = 6 cuts the y-axis at the point:
(a) (2, 0)
(b) (0, 3)
(c) (3, 0)
(d) (0, 2)
Answer: d
11. Any point of
the form (a, – a) always lie on the graph of the equation
(a) x = –a
(b) y = a
(c) y = x
(d) x + y = 0
Answer: d
12.
In equation, y = mx + c, m is:
(a) Intercept
(b) Slope of the
line
(c) Solution of
the equation
(d) None of the
above
Answer: b
13. The graph of x = 5 is
a line:
(a) Parallel to x-axis at a distance 5 units from the origin
(b) Parallel to y-axis at a distance 5 units from the origin
(c) Making an intercept 5 on the x-axis
(d) Making an intercept 5 on the y-axis
Answer: b
14. Which of the
following ordered pairs is a solution of the equation x – 2y – 6 = 0?
(a) (2, 4)
(b) (0, 3)
(c) (-4, 1)
(d) (4, –1)
Answer: d
15.
If x and y are both positive
solutions of equation ax + by + c = 0, then it always lies in:
(a) First
quadrant
(b) Second
quadrant
(c) Third
quadrant
(d) Fourth
quadrant
Answer: a
16. If a linear equation
has solutions (–3, 3), (0, 0) and (3, –3), then it is of the form:
(a) y – x = 0
(b) x + y = 0
(c) –2x + y = 0
(d) –x + 2y = 0
Answer: b
17. Cost of book
(x) exceeds twice the cost of pen (y) by Rs 10. This statement can be expressed
in form of linear equation as:
(a) x – 2y – 10 = 0
(b) 2x – y – 10 = 0
(c) 2x + y – 10 = 0
(d) x – 2y + 10 = 0
Answer: a
18. Equation of the line parallel to x-axis and 6
units above the origin is:
(a) x = 6
(b) x = –6
(c) y = 6
(d) y = –6
Answer: c
19. Straight line
passing through the points (-1, 1), (0, 0) and (1, -1) has equation
(a) y – x = 0
(b) x + y = 0
(c) y = 2x
(d) 2 + 3y = 7x
Answer: b
20. The graph of
the linear equation 5x + 3y = 10 is a line which meets the x-axis at the point:
a) (0, 3)
b) (3, 0)
c) (2, 0)
d) (0, 2
Answer: c