Practice Solving Linear Equations in Two Variables - 3 | Chapter: Linear Equations | CBSE Class 9 Maths
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Solve: x + y = 12 and x - y = 4 using the elimination method.

πŸ’‘ Hint: Add the two equations to eliminate y.

Question 2

Easy

What does the intersection of two lines represent?

πŸ’‘ Hint: Think about what the point means on the graph.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the graphical method involve?

  • Finding the slope
  • Calculating the area
  • Plotting equations on a graph

πŸ’‘ Hint: Think about how you visualize functions!

Question 2

True or False: Solutions to two-variable linear equations are always single points.

  • True
  • False

πŸ’‘ Hint: Consider how lines are plotted in a graph!

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A sales person sells x books for $5 each and y books for $10 each. The total sales amount to $120. If x + y = 15, how many of each type of book did they sell?

πŸ’‘ Hint: Set up the equations based on the total sales and quantities.

Question 2

Two cars start from the same point. Car A travels at a speed of 60 mph and Car B at 80 mph. If car A travels for 2 hours and car B travels for 1 hour longer, write a system of equations for their distances and solve for how far each car traveled.

πŸ’‘ Hint: Use D=ST to relate their respective distances!

Challenge and get performance evaluation