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
Solve 𝑥² + 2𝑥 − 15 > 0.
💡 Hint: Factor the quadratic.
Question 2
Easy
Solve 𝑥² − 4𝑥 + 4 ≤ 0.
💡 Hint: Recognize it as a perfect square.
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 is the standard form of a quadratic inequality?
- 𝑎𝑥² + 𝑏𝑥 + 𝑐 < 0
- 𝑎𝑥² + 𝑏𝑥 + 𝑐 ≤ 0
- All of the above
💡 Hint: Think about the types of inequalities you learned.
Question 2
True or False: The solution set of a quadratic inequality can be represented using interval notation.
- True
- False
💡 Hint: Recall how you can express solutions.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Solve for when the function h(t) = -5t² + 20t will be greater than 10.
💡 Hint: Rearrange the inequality to standard form.
Question 2
For the quadratic -x² + 4x - 3, find x where the function is negative and give range in interval notation.
💡 Hint: Don't forget to check the behavior around the roots!
Challenge and get performance evaluation