Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 9 (16 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. On which quadrant does (-1, 5) lie?

Correct Answer: D) IV.

2. Equation of a line parallel to x-axis

Correct Answer: A) Y = k.

3. If "x = 3" and "y =-2" is the solution of the equation 4px-3y = 12, then the value of "p" is?

Correct Answer: B) 1/2.

4. The graph of the linear equation 6x + 3y = 18 is a line which meets the y-axis at the point .....

Correct Answer: A) (0, 6).

5. Solve by elimination:-9x-4y=-205x+4y=4

Correct Answer: C) (4, -4).

6. What is the type of solution to the system of equations?

Correct Answer: A) One solution.

7. Which ordered pair is a solution for the equation 2x + y = 35

Correct Answer: B) (4, 27).

8. X = 0 is the equation of

Correct Answer: B) Y-axis.

9. Find the value of a, if x=1, y=2 is a solution of 4x+8y=a

Correct Answer: D) A=20.

10. If each of (2, -2), (0, 0) and (2, -2) is a solution of a linear equation in x and y, then the equation is

Correct Answer: B) X + y = 0.

11. Which of the ordered pairs is a solution for the equation x + 5y = 21

Correct Answer: D) (1, 4).

12. The linear equation 3x-5y = 15 has

Correct Answer: C) Infinitely many solutions.

13. In slope intercept form (y=mx+b) what is the "m" ?

Correct Answer: C) The slope (rate of change).

14. Find the slope of the line that passes through (10, 1) and (5, 2)

Correct Answer: B) -1/5.

15. X = Ay-Dax-i.e. = p

Correct Answer: C) (-5, -1).

16. Calculate the coefficient of x in the equation 6x-3y = 9

Correct Answer: C) 1/6.