9th Class Mathematics Chapter 5 TestUNIT 5: Linear Equations and Inequalities

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. The inequality represents:

   1. A parabola 

   2. A straight line 

   3. A shaded region 

   4. A single point 

2. The intersection of two half-planes is known as: 

   1. A vertex 

   2. A feasible region 

   3. A line 

   4. A parabola 

3. A vertical line divided the plane into:

   1. Two half-planes 
      

   2. Four quadrants 
      

   3. Three sections 

   4. Infinite parts 

4. Which of the following is a linear equation in one variable? 

   1. 

   2. 

   3. 

   4. 

5. What is the graphical representation of a system of linear inequalities?

   1. A shaded region

   2. A single point

   3. A straight line
      

   4. A curve

6. A function that is to be maximized or minimized is called:

   1. Solution function

   2. Objective function

   3. Feasible function

   4. None of these

7. A vertical line divides the plane into:

   1. Left half plane

   2. Right half plane

   3. Full plane

   4. Two half planes

8. The inequality means: 

   1. x is greater than 3 

   2. x is greater than or equal to 3 

   3. x is greater than or equal to 8 

   4. x is less than 3 

9. The equation is equivalent to the inequality: 

   1. 

   2. 

   3. 

   4. None of these 

10. The associated equation of the inequality : 

    1. x + 2y = 8

    2. x + 2y > 8

    3. x + 2y < 8

    4.