This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Maths Chapter 4 Linear Equations In Two Variables – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The equation 4-3x = 0 can be written in two variable as: A) 4 + y-3x = 0. B) 4-y-3x = 0. C) 3x + 0Y + 4 = 0. D) -3x + 0Y + 4 = 0. Show Answer Correct Answer: D) -3x + 0Y + 4 = 0. 2. The graph of linear equation 3x + 2y = 6 cuts the y-axis at the point A) (2, 0). B) (0, 2). C) (0, 3). D) (3, 0). Show Answer Correct Answer: C) (0, 3). 3. Which ordered pair is a solution for the equation 5x-9y = 32 A) (10, -2). B) (1, 3). C) (10, 2). D) (4, 5). Show Answer Correct Answer: A) (10, -2). 4. Which option correctly represents the equation 7x-3.2y = 9.2 in the standard form ax + by + c = 0 and indicates the values of a, b and c? A) 7x-3.2 y-9.2 = 0, a = 7, b =-3.2, c =-9.2. B) 7x-3.2 y + 9.2 = 0, a = 7, b =-3.2, c = 9.2. C) 7x-3.2 y + 9.2, a = 7, b =-3.2, c = 9.2. D) 7x-3.2 y-9.2, a = 7, b =-3.2, c =-9.2. Show Answer Correct Answer: A) 7x-3.2 y-9.2 = 0, a = 7, b =-3.2, c =-9.2. 5. A ball is kept on a Cartesian plane. Its initial position is (3, 4). Then it is moved 3 units towards the left, after which it is rotated 90$^\circ$ towards right. It is then moved 5 units towards south. What would be its final position? A) (0, 0). B) (-1, 0). C) (0, -1). D) (0, 9). Show Answer Correct Answer: C) (0, -1). 6. Identify the coefficient of y in the equation 4x + 2y = 8 A) 2. B) 3. C) 5. D) 6. Show Answer Correct Answer: A) 2. 7. The linear equation 2x-5y = 7 has A) A unique solution. B) Two solutions. C) Infinitely many solutions. D) No solution. Show Answer Correct Answer: C) Infinitely many solutions. 8. Find the value of s if (23, 2), is a solution of sx + 12y = 7 is A) 1.476. B) -0.739. C) 12.32. D) -1.453. Show Answer Correct Answer: B) -0.739. 9. Graph the line given by the equation 3x + 4y = 12 A) Y = (3/4) x-3. B) Y = (-3/4) x + 3. C) Y = (-3/4) x-3. D) Y = (3/4) x + 3. Show Answer Correct Answer: B) Y = (-3/4) x + 3. 10. How many lines can we draw through one point? A) Infinite. B) Two. C) Four. D) One. Show Answer Correct Answer: A) Infinite. 11. Equation of a line parallel to y-axis A) Y = k. B) Y=1. C) Y = x. D) X=k. Show Answer Correct Answer: D) X=k. 12. The equation y = 2 in two variables can be written as A) 0.x + 1.y = 2. B) 1. x + 0. y = 2. C) 1. x + 0.y = 0. D) None of the above. Show Answer Correct Answer: A) 0.x + 1.y = 2. 13. The equation x = 7 in two variables can be written as ..... A) 1.x + 1.y = 7. B) 1.x + 0.y = 7. C) 0.x + 1. y = 7. D) 0.x + 0.y = 7. Show Answer Correct Answer: B) 1.x + 0.y = 7. 14. The solution of equation x-2y = 4 is A) (0, 2). B) (2, 0). C) (4, 0). D) (1, 1). Show Answer Correct Answer: C) (4, 0). 15. A charity organization is having a fundraiser. $P\left(n\right)$ $n$ $P\left(n\right)=70n-1500$ A) $1500$. B) 1500 Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $1500$. 16. If the point (3, 4) lies on the graph of the equation 3y = ax + 7, then the value of a is A) 3/5. B) 5/3. C) 3/7. D) 4/6. Show Answer Correct Answer: B) 5/3. 17. Coordinates of the point where graph of equations 3x-2y = 4 and x+y-3 = 0 intersect is ..... (hint ..... draw graphs of equation of graph and find solution) A) (1, 2). B) (2, 1). C) (3, 4). D) (4, -2). Show Answer Correct Answer: B) (2, 1). 18. Solve by elimination:3x+7y=23-3x-7y=-17 A) No solution. B) ARN. C) (-3, 3). D) (3, 3). Show Answer Correct Answer: A) No solution. 19. The point of the form (a, -a) always lies on the line ..... A) X = a. B) Y =-a. C) Y = x. D) X + y = 0. Show Answer Correct Answer: D) X + y = 0. 20. Determine the coefficient of y in the equation 5x-2y = 10 A) -5/2. B) 10/2. C) 5/2. D) 2/5. Show Answer Correct Answer: A) -5/2. 21. Draw the graph of the following linear equation in two variables:6x + y = 10.Were you able to draw it? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 22. The positive solution of the equation ax + by + c = 0 always lie in A) 1st quadrant. B) 2nd quadrant. C) 3rd quadrant. D) 4th quadrant. Show Answer Correct Answer: A) 1st quadrant. 23. What is the equation for a linear equation written in standard form? A) Y = mx + b. B) Ax + by = c. C) Y = x + c-b. D) A + x + b + y = c. Show Answer Correct Answer: B) Ax + by = c. 24. Point (4, 1) lies on the line A) X+2y= 5. B) X+2y=-6. C) X+2y= 6. D) X+2y= 16. Show Answer Correct Answer: C) X+2y= 6. 25. Which one of the following is variable A) 3. B) $\frac{4}{5}$. C) 0.9. D) Y. Show Answer Correct Answer: D) Y. 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