More Lessons for PreCalculus

Math Worksheets

Questions and Answers for IIT JEE examinations.

Tangent Line Hyperbola Relationship (very optional)

How a tangent line relates to a hyperbola. Might be useful for some competitive exams where there isn't time to derive (like we are doing in this video)

Hyperbola Eccentricity

Figuring out a normal vector to a plane from its equation

Distance between a point and a plane in three dimensions

Distance Between Planes

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.