Linear Equations In Two Variables – Class 9/ MCQ

CBSE CLASS 9 MATHEMATICS
Linear Equations in Two Variables- Chapter 4/ MCQ.

1. The linear equation 7x – 5y = 32 has ————- solutions.
A. Unique
B. Infinitely many solutions
C. Equal solutions
2. The linear equation x -7 = 0 has ——– solutions.
A. Unique
B. Infinitely many solutions
C. Equal solutions
3. Which of the following is a solution of the equation x = 4y?
A. (0, 0)
B. (1, 4)
C. (0, 4)
4. The equation of the y axis is ————-
A. y = 0
B. x =0
C. x = y
5. If a linear equation has solutions (0, 0), (2, 1) and (6, 3) then the equation is of the form —————-
A. x = 2y
B. y = 2x
C. x + y = 2
6. Solution of the equation 2x + 1 = x – 3 is ———-
A. x = 4
B. x = -4
C. x = 0
7. If a linear equation has solutions (-2, 0), (0, 4) and (1, 6) then the equation is ————
A. x = 2y + 4
B. y = 2x + 4
C. x + 2y = 4
8. The graph of the equation y = 2x is a line passes through the ———––
A. x axis
B. y axis
C. Origin
9. If the graph of two linear equations intersects, then the equation has ———
A. Two equal solutions
B. Unique solutions
C. Infinitely many solutions
10. An equation of a line parallel to x axis is ———-
A. x = 6
B. y = 6
C. x = y

ANSWERS:

1. Infinitely many solutions

2. Unique

3. (0, 0)

4. x = 0

5. x = 2y

6. x = -4

7. y = 2x + 4

8. Origin

9. Unique solutions

10. y = 6