Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Identify if the inequality x² + 2x + 3 < 0 has real roots.
💡 Hint: Calculate the discriminant.
Question 2
Easy
Is the expression (x - 4)² ≥ 0 always true?
💡 Hint: Remember squares are always greater than or equal to zero.
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 happens when the discriminant is negative in a quadratic inequality?
- The parabola opens upward
- There are no real solutions
- The solutions are all real numbers
💡 Hint: Remember to consider the value of the discriminant.
Question 2
A perfect square expression like (x - 3)² means what regarding its values?
- True
- False
💡 Hint: Think about the nature of squares.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the inequality 2x² - 8x + 6 < 0, determine its roots and analyze the sign of the expression.
💡 Hint: Use the quadratic formula or factoring to find the roots.
Question 2
Determine if the quadratic inequality (x + 4)² < 0 has any solutions.
💡 Hint: Reflect on the properties of perfect squares.
Challenge and get performance evaluation