This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Maths Chapter 4 Linear Equations In Two Variables – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Plot the line represented by the equation 4x-2y = 8 on a graph A) Y = 5x-12. B) Y = 2x-4. C) Y = 4x-10. D) Y = 3x-6. Show Answer Correct Answer: B) Y = 2x-4. 2. If (3, 2) is the solution of 5x-7y=k then k= A) -1. B) 1. C) 10. D) 2. Show Answer Correct Answer: B) 1. 3. If x=1 and y=2 is a solution of x+2y=k then then k= A) 4. B) 5. C) 6. D) None. Show Answer Correct Answer: B) 5. 4. If (2k+1, k) is the solution of 5x+3y-7=0tgen k= A) 13/2. B) 26. C) 2/13. D) 1/11. Show Answer Correct Answer: C) 2/13. 5. Elimination method A) When two linear equations have the same slope (and different y-intercepts). B) The x coordinate of the point where the graph of a line crosses the x-axis. C) Where you eliminate one of the variables by adding the two equations. D) Two or more algebraic equations with the same unknown variables and the same value of the variables satisfy all such equations. Show Answer Correct Answer: C) Where you eliminate one of the variables by adding the two equations. 6. If age of Hema is 4 times the age of Mary.for this choose correct linear equation A) X=4y. B) X+4y=0. C) 4x=1/4y. D) 2x=4y. Show Answer Correct Answer: A) X=4y. 7. (0, a) is the solution for 3x=7y-21 then a= A) 7. B) 3. C) 21. D) 9. Show Answer Correct Answer: B) 3. 8. The graph of linear equation x + y = 2, cuts the y-axis at: A) (2, 0). B) (0, 2). C) (0, 1). D) (1, 1). Show Answer Correct Answer: B) (0, 2). 9. The general form of linear equation in two variable is A) Ax+bx+c=0. B) Ax+by+c=1. C) Ax+bx+c=1. D) Ax+by+c=0. Show Answer Correct Answer: D) Ax+by+c=0. 10. Convert the equation 3y = 6-4x A) 4x + 3y = 6. B) 3y-4x = 6. C) 6 =-4x-3y. D) 3y = 6-4x. Show Answer Correct Answer: A) 4x + 3y = 6. 11. If ( 2k-1, k ) is the solution of the equation 10x-9y = 12, then k = A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 12. On adding twice the age of son to the age of the father, we get 59. But on adding twice the age of the father to the age of the son, we get 82. Find the ages of father and son. A) 12, 40. B) 10, 36. C) 35, 12. D) 36, 10. Show Answer Correct Answer: C) 35, 12. 13. Which of the following is linear equation? A) $2x+5+x$. B) $x^2-4x+9=0$. C) $\frac{x}{3}+5=1$. D) $6x-x^2-9=0$. Show Answer Correct Answer: C) $\frac{x}{3}+5=1$. 14. Which of the following is a solution of x+y=8 A) X = 2, y = 6. B) X = 5, y = 3. C) X = 1, y = 7. D) All. Show Answer Correct Answer: D) All. 15. In the equation, y = mx + b, the letter b is the ..... A) Y-intercept. B) X-intercept. C) Slope. D) Rate of change. Show Answer Correct Answer: A) Y-intercept. 16. The graph of 6x-3y=12 intersecting the y-axis at A) (0, -4). B) (0, 4). C) (2, 4). D) (2, -4). Show Answer Correct Answer: A) (0, -4). 17. Infinite solutions A) When two lines intersect at right angles. B) When two or more equations are working together and contain only two variables. C) In this method, the value of one variable from one equation is substituted in the other equation. D) Two lines having the same y-intercept and the same slope. Show Answer Correct Answer: D) Two lines having the same y-intercept and the same slope. 18. The graph of y = 6 is a line A) Parallel to x-axis at a distance 6 units from the origin. B) Parallel to y-axis at a distance 6 units from the origin. C) Making an intercept 6 on the x-axis. D) Making an intercept 6 on both the axes. Show Answer Correct Answer: A) Parallel to x-axis at a distance 6 units from the origin. 19. The total cost, $y$ $x$ $y$ $x$ A) $ y = 40x $. B) $ y = 37.5x $. C) $ y = 35x+$ 20. D) $ y = 20x+$ 35. Show Answer Correct Answer: C) $ y = 35x+$ 20. 20. Solve the following system by identifying the solution.\{ y =-2x +8\{ y = x-1 A) (2, 3). B) (3, 2). C) (-3, -4). D) (-2, -3). Show Answer Correct Answer: B) (3, 2). 21. Select the definition that most nearly defines the given word:slope of perpendicular lines. A) Where you eliminate one of the variables by adding the two equations. B) When perpendicular lines have a negative reciprocal of each other. C) A list of numbers x, y, z, that make all of the equations true simultaneously. D) The x coordinate of the point where the graph of a line crosses the x-axis. Show Answer Correct Answer: B) When perpendicular lines have a negative reciprocal of each other. 22. "The cost of a pencil is Rs.2 and one ball point pen cost is Rs. 15.Sheela pays Rs.100 for the pencils and pens she purchased ". Express this statement in linear equation in two variables. A) X+y = 100. B) X-y = 100. C) 2x+15y=100. D) 2+15=100. Show Answer Correct Answer: C) 2x+15y=100. 23. 3x + y = 1y = 4x + 1 A) (0, -1). B) No Solution. C) (0, 8). D) (0, 1). Show Answer Correct Answer: D) (0, 1). 24. Rupas father age is 25 years when she was born A) X-y=25. B) X+y = 25. C) X/y = 25. D) Xy=25. Show Answer Correct Answer: A) X-y=25. 25. Rohan bought 20 chalk boxes and Dusters for his school. The cost of one Chalk box is ₹ 150 and the cost of one Duster is ₹ 60. Rohan paid a total of ₹ 2000 to the shopkeeper. Assuming that the number of chalk boxes is represented as x and the number of dusters is represented by y, which of the following equations correctly represents this situation? A) 150x-60y = 20. B) 150x-60y = 2000. C) 150x + 60y = 20. D) 150x + 60y = 2000. Show Answer Correct Answer: D) 150x + 60y = 2000. ← PreviousNext →Related QuizzesClass 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 1Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 2Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 3Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 4Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 5Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 7Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 8Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 9Class 9 Economics Chapter 1 The Story Of Village Palampur QuizClass 9 Economics Chapter 2 People As Resource QuizClass 9 Economics Chapter 3 Poverty As A Challenge QuizClass 9 Economics Chapter 4 Food Security In India QuizClass 9 English Chapter 1 The Fun They Had QuizClass 9 English Chapter 10 Kathmandu QuizClass 9 English Chapter 11 If I Were You QuizClass 9 English Chapter 2 The Sound Of Music QuizClass 9 English Chapter 3 The Little Girl QuizClass 9 English Chapter 4 A Truly Beautiful Mind QuizClass 9 English Chapter 5 The Snake And The Mirror QuizClass 9 English Chapter 6 My Childhood QuizClass 9 English Chapter 7 Packing QuizClass 9 English Chapter 8 Reach For The Top QuizClass 9 English Chapter 9 The Bond Of Love QuizClass 9 English Poem Chapter 1 The Road Not Taken QuizClass 9 English Poem Chapter 10 A Slumber Did My Spirit Seal QuizClass 9 English Poem Chapter 2 Wind QuizClass 9 English Poem Chapter 3 Rain On The Roof QuizClass 9 English Poem Chapter 4 The Lake Isle Of Innisfree QuizClass 9 English Poem Chapter 5 A Legend Of The Northland QuizClass 9 English Poem Chapter 6 No Men Are Foreign QuizClass 9 English Poem Chapter 7 The Duck And The Kangaroo QuizClass 9 English Poem Chapter 8 On Killing A Tree QuizClass 9 English Poem Chapter 9 The Snake Trying QuizClass 9 English Supplementary Chapter 1 The Lost Child QuizClass 9 English Supplementary Chapter 10 The Beggar QuizClass 9 English Supplementary Chapter 2 The Adventures Of Toto QuizClass 9 English Supplementary Chapter 3 Iswaran The Storyteller QuizClass 9 English Supplementary Chapter 4 In The Kingdom Of Fools QuizClass 9 English Supplementary Chapter 5 The Happy Prince QuizClass 9 English Supplementary Chapter 6 Weathering The Storm In Ersama QuizClass 9 English Supplementary Chapter 7 The Last Leaf QuizClass 9 English Supplementary Chapter 8 A House Is Not A Home QuizClass 9 English Supplementary Chapter 9 The Accidental Tourist QuizClass 9 Geography Chapter 1 India Size And Location QuizClass 9 Geography Chapter 2 Physical Features Of India QuizClass 9 Geography Chapter 3 Drainage QuizClass 9 Geography Chapter 4 Climate QuizClass 9 Geography Chapter 5 Natural Vegetation And Wildlife QuizClass 9 Geography Chapter 6 Population QuizClass 9 History Chapter 1 The French Revolution QuizClass 9 History Chapter 2 Socialism In Europe And The Russian Revolution QuizClass 9 History Chapter 3 Nazism And The Rise Of Hitler QuizClass 9 History Chapter 4 Forest Society And Colonialism QuizClass 9 History Chapter 5 Pastoralists In The Modern World QuizClass 9 Maths Chapter 1 Number Systems QuizClass 9 Maths Chapter 10 Circles QuizClass 9 Maths Chapter 11 Constructions QuizClass 9 Maths Chapter 12 Heron'S Formula QuizClass 9 Maths Chapter 13 Surface Areas And Volumes QuizClass 9 Maths Chapter 14 Statistics QuizClass 9 Maths Chapter 15 Probability QuizClass 9 Maths Chapter 2 Polynomials QuizClass 9 Maths Chapter 3 Coordinate Geometry QuizClass 9 Maths Chapter 5 Introduction To Euclid'S Geometry QuizClass 9 Maths Chapter 6 Lines And Angles QuizClass 9 Maths Chapter 7 Triangles QuizClass 9 Maths Chapter 8 Quadrilaterals QuizClass 9 Maths Chapter 9 Areas Of Parallelograms And Triangles QuizClass 9 Political Science Chapter 1 What Is Democracy Why Democracy QuizClass 9 Political Science Chapter 2 Constitutional Design QuizClass 9 Political Science Chapter 3 Electoral Politics QuizClass 9 Political Science Chapter 4 Working Of Institutions QuizClass 9 Political Science Chapter 5 Democratic Rights QuizClass 9 Science Chapter 1 Matter In Our Surroundings QuizClass 9 Science Chapter 10 Gravitation QuizClass 9 Science Chapter 11 Work And Energy QuizClass 9 Science Chapter 12 Sound QuizClass 9 Science Chapter 13 Why Do We Fall Ill QuizClass 9 Science Chapter 14 Natural Resources QuizClass 9 Science Chapter 15 Improvement In Food Resources QuizClass 9 Science Chapter 2 Is Matter Around Us Pure QuizClass 9 Science Chapter 3 Atoms And Molecules QuizClass 9 Science Chapter 4 Structure Of The Atom QuizClass 9 Science Chapter 5 The Fundamental Unit Of Life QuizClass 9 Science Chapter 6 Tissues QuizClass 9 Science Chapter 7 Diversity In Living Organisms QuizClass 9 Science Chapter 8 Motion QuizClass 9 Science Chapter 9 Force And Laws Of Motion Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books