Practice Equations of the Type ax + b = 0 - 4.2.2 | 4. Linear Equations In Two Variables | CBSE 9 Mathematics
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Express the linear equation x + 3 = 0 in the form ax + by + c = 0.

💡 Hint: Remember that you can add 0 times y.

Question 2

Easy

How can you write the equation 2 = 4 - x in standard form?

💡 Hint: First, isolate x.

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 form can you express x + 4 = 0?

  • 1x + 0y + 4 = 0
  • 0x + 1y + 4 = 0

💡 Hint: Consider how x can just represent itself.

Question 2

True or False: A linear equation can have more than one solution.

  • True
  • False

💡 Hint: Think about plotting and intersections.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given the equation 3x + 8y = 12, find four solutions using a range of x values.

💡 Hint: These will form ordered pairs.

Question 2

Convert the following real-life scenario into a linear equation: A phone plan costs $10 a month plus $0.05 per minute you talk. Find an equation representing total costs based on minutes.

💡 Hint: Look for fixed and variable costs.

Challenge and get performance evaluation