NCERT Class 9 Mathematics/ Linear Equations in Two Variables/ MCQ

NCERT Class 9 Mathematics/Linear equations in two variables is about the multiple choice questions that you can expect for yearly examination. This worksheet is designed for CBSE Class 9 Mathematics students.

NCERT Class 9 Mathematics/ Linear Equations in Two Variables – Chapter 4
Multiple Choice Questions / MCQ
Choose the correct answer from the options given below:

  1. Equations of degree one having two variables is called ————— in two variable.
    A. Quadratic Equations
    B. Linear Equations
    C. Cubic Equations
  2. The general form of a linear equation in two variables is ——-——
    A. ax + b = 0
    B. ax + by + c = 0
    C. ax + by + cz = 0
  3. A linear equation in two variables has ———- solutions.
    A. Finite
    B. Infinitely many solutions
    C. Only one solution.
  4. The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement.
    A. x – 2y = 0
    B. x + 2y = 0
    C. x – y = 0
  5. Which of the following is not a solution of the equation 2x + y = 7?
    A. x = 0, y = 7
    B. x = 2, y = 3
    C. x = 4, y = 3
  6. Find the value of k if x = 2, y=1 is a solution of the equation 2x + 3y = k?
    A. 5
    B. 6
    C. 7
  7. If the point (3, 4) lies on the graph of the equation 3y = ax + 7, find the value of a?
    A. 2/3
    B. 5/3
    C. 7/3
  8. An equation of the type y = mx represent a line passing through ————-
    A. (0, 1)
    B. (1, 0)
    C. (0, 0)
  9. The graph of x = a is a straight line parallel to the ———- axis
    A. x axis
    B. y axis
    C. None of these
  10. The graph of y = a is a straight line parallel to the —— axis.
    A. x axis
    B. y axis
    C. None of these

ANSWERS:

  1. Linear Equations
  2. ax + by + c = 0
  3. Infinitely many solutions
  4. x – 2y = 0
  5. x = 4, y = 3
  6. 7
  7. 5/3
  8. (0, 0)
  9. y axis
  10. x axis

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