Posts by JDM Educational Staff

Your SAT Math score can give you an idea of how ready you are for college math courses.  It can also help you to decide if you need to brush up on math some concepts to take the test...

A compound inequality can express a range of values, which is useful to indicate uncertainty (such as when making estimates or projections).  However, there are two basic types of compound...

In calculus and analysis, we often need to evaluate limits – sometimes, these limits have indeterminate forms.  L’Hopital’s Rule can help us to evaluate some of these limits – but it can...

A difference of cubes is used in algebra to factor cubic or higher degree polynomials.  The predictable formula for factoring a difference of cubes saves us time if we can recognize the general...

Interest rates are an important topic when dealing with anything related to finances, including loans and investments.  However, we still need to make the distinction between simple and compound...

The Pythagorean Theorem is used often in geometry & trigonometry when we study right triangles.  It helps us to solve right triangles when a side length is missing. So, what is the...