Solving factored form rational inequalities by testing intervals | Precalculus | Khan Academy

From the creator

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/precalculus-tx Identify when a rational inequality provided in factored form is true in terms of zero by testing intervals. https://www.khanacademy.org/math/precalculus-tx/xecf67014514b60db:rational-functions-equations-and-inequalities/xecf67014514b60db:solving-rational-equations-and-inequalities/v/solving-factored-form-rational-inequalities Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc

Published 2025-09-09 · Watch on YouTube ↗
Availability and playback restrictions are controlled by the original channel.