Watch Sal work through a basic data inferences problem.

Watch Sal work through a harder Interpreting nonlinear expressions problem.

Watch Sal work through a basic Interpreting nonlinear expressions problem.

Video on saponification - base promoted ester hydrolysis.

Visit us for health and medicine content or for MCAT content. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis...

These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Never disregard professional medical advice or...

Video on role strain and role conflict.

The purpose of this video is to demonstrate how to approach reading and answering questions using an example from the critical analysis and reasoning skills section of the MCAT. [18:21]

Watch a demonstration of one way to solve a question on the LSAT that asks you to infer the dispute presented in the example. [4:27]

The purpose of this video is to demonstrate how to approach reading and answering questions using an example from the critical analysis and reasoning skills section of the MCAT. [27:52]

The purpose of this video is to demonstrate how to approach reading and answering questions using an example from the critical analysis and reasoning skills section of the MCAT. [20:24]

Watch a demonstration of how to use active reading strategies to approach two paired passages about a humanities topic on the LSAT. [9:03]

Watch a demonstration of one way to approach an analogy question on a LSAT reading comprehension law passage. [3:49]

Sal Khan works through a question on angles from the Praxis Core Math test.

Watch Sal work through a basic Systems of linear equations word problem.

Watch Sal work through a harder Systems of linear inequalities word problem.

Watch Sal work through a basic Systems of linear inequalities word problem.

Watch Sal work through a harder Linear functions word problem.

Watch Sal work through a basic Linear functions word problem.

Watch Sal work through a harder Linear inequality word problem.

Watch Sal work through a basic Linear inequality word problem.

Watch Sal work through a harder Linear equation word problem.

Watch a demonstration of one way to approach a logical reasoning question that asks you to identify the conclusion of an argument. [5:18]

Watch a demonstration of one way to approach a question that asks you to identify the conclusion of an argument on the Logical Reasoning section of the LSAT. [6:13]