This quiz works best with JavaScript enabled. Home > Class 9 > Class 9 Maths Chapter 4 Linear Equations In Two Variables – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Y =-3x + 115x + y = 21 A) (1, -5). B) (1, 5). C) (-4, 5). D) (5, -4). Show Answer Correct Answer: D) (5, -4). 2. A line plotted on a coordinate graph that divides the graph (or plane) into two half-planes. Can be dashed or solid. A) Linear Function. B) Slope. C) Y-Intercept. D) Boundary Line. Show Answer Correct Answer: D) Boundary Line. 3. To draw graph of 4x+5y=19, find y when x=1 A) 4. B) 3. C) 2. D) -3. Show Answer Correct Answer: B) 3. 4. Solution of the equation 3x-5 = 2x + 1is A) 5. B) 7. C) 4. D) 6. Show Answer Correct Answer: D) 6. 5. If the point (3, 4) lies on the graph of the equation 3y = ax + 7, find the value of a A) 3/5. B) 5/3. C) 3. D) 7. Show Answer Correct Answer: B) 5/3. 6. Is (3, 2) a solution of x + y = 6? A) Yes. B) No. C) May be, cannot judge. D) None of the above. Show Answer Correct Answer: B) No. 7. Select the definition that most nearly defines the given word:x-intercept. A) The x coordinate of the point where the graph of a line crosses the x-axis. B) When perpendicular lines have a negative reciprocal of each other. C) In this method, the value of one variable from one equation is substituted in the other equation. D) The y-coordinate of the point where the graph of a line crosses the y-axis. Show Answer Correct Answer: A) The x coordinate of the point where the graph of a line crosses the x-axis. 8. Which of these points lie on Quadrant III? A) (6, -3). B) (5, 10). C) (-2, -8). D) (-7, 4). Show Answer Correct Answer: C) (-2, -8). 9. Convert the equation 5y = 21-x in standard form. A) 5y-x = 21. B) 5y + x = 21. C) X + 5y = 21. D) 21 =-x-5y. Show Answer Correct Answer: C) X + 5y = 21. 10. Equation of y-axis A) Y=0. B) X=0. C) Y=1. D) X=1. Show Answer Correct Answer: B) X=0. 11. The geometrical representation of a linear equation A) Straight line. B) Curve. C) Parabola. D) Either (b) or (c). Show Answer Correct Answer: A) Straight line. 12. If in the equation x+2y=10, the value of y is 6, then value of x will be A) -2. B) 2. C) 4. D) 5. Show Answer Correct Answer: A) -2. 13. Y=0 is A) Equation of X-axis. B) Equation of Y-axis. C) Equation of line parallel to X-axis. D) Equation of line parallel to y-axis. Show Answer Correct Answer: A) Equation of X-axis. 14. In a parallelogram, one angle is 4/5th of the adjacent angle. Determine all the angles of the parallelogram. A) 80$^\circ$, 100$^\circ$, 80$^\circ$, 100$^\circ$. B) 60$^\circ$, 120$^\circ$, 60$^\circ$, 120$^\circ$. C) 70$^\circ$, 110$^\circ$, 70$^\circ$, 110$^\circ$. D) None of these. Show Answer Correct Answer: A) 80$^\circ$, 100$^\circ$, 80$^\circ$, 100$^\circ$. 15. The equation 2x + 5y = 7 has a unique solution, if x, y are: A) Natural numbers. B) Positive real numbers. C) Real numbers. D) Rational numbers. Show Answer Correct Answer: A) Natural numbers. 16. Find the value of k, if x =-4, y =-5 is a solution of the equation:3x-4y = K A) K = 6. B) K =-6. C) K = 8. D) K =-4. Show Answer Correct Answer: C) K = 8. 17. Solution to a systems of equations A) The y-coordinate of the point where the graph of a line crosses the y-axis. B) Two lines having the same y-intercept and the same slope. C) A system of equations that has one or more solutions. D) The coordinates of the point where one or all of the equations true simultaneously. Show Answer Correct Answer: D) The coordinates of the point where one or all of the equations true simultaneously. 18. Select the definition that most nearly defines the given word:slope of parallel lines. A) When two lines intersect at right angles. B) Two lines having the same y-intercept and the same slope. C) Have the same slope because their rise-over-run ratio is equal. D) A system of equations that has one or more solutions. Show Answer Correct Answer: C) Have the same slope because their rise-over-run ratio is equal. 19. If we multiply or divide both sides of a linear equation with a non-zero number, then what will happen to the solution of the linear equation? A) Remains same. B) Becomes 0. C) Is not equal to 0. D) 1. Show Answer Correct Answer: A) Remains same. 20. The cost of a table is thrice the cost of a chair. Assuming the cost of a table as x and the cost of a chair as y, find out which of the following options correctly represents this situation? A) X + 3y = 0. B) Y = 3x. C) X + y = 3. D) X = 3y. Show Answer Correct Answer: D) X = 3y. 21. Ravi and Rohit together gave Rs 250 to CM relief fund A) X-y = 250. B) Xy=250. C) X+y = 250. D) X/y = 250. Show Answer Correct Answer: C) X+y = 250. 22. Does the system have one, none or infinite solutions?y = 2x-11y = 2x +5 A) One. B) None. C) Infinitely many solutions. D) None of the above. Show Answer Correct Answer: B) None. 23. Countries like United States and Belize use Fahrenheit for measuring temperature whereas India use Celsius.Here is a equation for converting Fahrenheit to Celsius.F = (9/5)C + 32.If the temperature is 95$^\circ$F then what is the temperature in Celsius? A) 34.5$^\circ$C. B) 12.5$^\circ$C. C) 35$^\circ$C. D) 37$^\circ$C. Show Answer Correct Answer: C) 35$^\circ$C. 24. Equation of the line that is parallel to x-axis and passing through the point (3, 4) ..... ? A) X = 4. B) Y = 4. C) X = 3. D) Y = 3. Show Answer Correct Answer: B) Y = 4. 25. Write the following as an equation in two variables:3y = 7 A) 1.x + 3y +7 = 0. B) 1.x-3y +7 = 0. C) 0.x + 3y-7 = 0. D) 0.x-3y-7= 0. Show Answer Correct Answer: C) 0.x + 3y-7 = 0. ← 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 4Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 5Class 9 Maths Chapter 4 Linear Equations In Two Variables Quiz 6Class 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