CBSE Class 9 Maths - Linear Equations in Two Variables (MCQs)
Q1: A linear equation of two variables x and y can be represented as ax + by = c, where a, b, and c are:
(A) Rational numbers
(B) Irrational numbers
(C) Integers
(D) Real Numbers
Q2: The graph of the equation of the form y = kx is a line which?
(A) May pass through the origin.
(B) Always passes through the origin.
(C) Will not pass through origin
(D) Will be parallel to x-axis
Q3: Every point on the line representing the linear equation in two variables
(A) may not be a solution of the equation.
(B) is a solution of the equation.
(C) is a solution if it is also a point on x-axis.
(D) is a solution of the equation if it is also a point on y-axis.
Q4: The equation of the x-axis is
(A) x = 0
(B) y = 0
(C) x - y = 0
(d) x + y = 0
Q5: The graph of the linear equation 2x + 5y = 10 meets the x-axis at the point
(A) (0, 2)
(B) (2, 0)
(C) (5, 0)
(D) (0, 5)
Q6: Linear equation y = 3x + 5 has
(A) A unique solution.
(B) Only two solutions
(C) Infinitely many solutions
(D) No solution
Q7: Which of the following is NOT the solution of equation x - 2y = 4?
(A) (0, 2)
(B) (4, 0)
(C) (0, -2)
(D) (6, 1)
Q8: x = 5, y = 2 is a solution of which of the following linear equation?
(A) x + 2y = 7
(B) 5x + 2y = 7
(C) x + y = 7
(D) 5x + y = 7
Q9: The graph of y = b is?
(A) a straight line parallel to the x-axis.
(B) a straight line parallel to the y-axis.
(C) a point on y-axis
(D) a point on x-axis
Q10: Find k if x=3, y=1 is a solution of the equation 3x – y = k.
(A) 3
(B) -1
(C) 8
(D) 10
Answers:
1: (D) Real Numbers
2: (B) Always passes through the origin.
3: (B) is a solution of the equation.
4: (B) y = 0
5: (C) (5, 0)
6: (C) Infinitely many solutions
7: (A) (0, 2)
8: (C) x + y = 7
9: (A) a straight line parallel to the x-axis.
10: (C) 8
👉See Also:
Linear Equations in Two Variables (NCERT Ex 4.1)
Linear Equations in Two Variables (NCERT Ex 4.2)
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