More examples of solving function problems is shown in...

This math video is an introduction to functions whihc...

This math video solves quadratic inequalities using...

Deriving the quadratic formula by completing the square.

2 more examples of solving equations using the quadratic...

This video will explain the difference between real...

Introduction to using the quadratic equation to solve 2nd...

This math video shows dividing complex numbers. Complex...

There are a certain type of numbers which you can write...

Introduction to i. Raising i to arbitrary exponents.

This math video solves a quadratic by factoring.

(Ax+By)(Ax+By) formula is shown in this science video.

Part 3 of the presentation on age word problems are shown...

Second set of age word problems

This video shows how to solve word problems. It mainly...

Among the word problems,the most common is age word...

More advanced ratio problems from Khan Acedemy is solved...

Basic ratio problems from KhanAcademy.org are solved in...

Slightly harder percent problems are demonstrated in this...

Systems of equations are explained in this science video.

Growing a quantity by a percentage is demonstrated in...

How to take a percentage of a number is shown in this...

Adding sums of consecutive integers is demonstrated in...

A step by step guide on how to calculate averages...

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