Posts by JDM Educational Staff

Inverse variation comes up often in math and is also used in our everyday lives.  However, there are still lots of questions that you can ask about inverse variation. So, what is inverse...

Midpoints are used often in geometry - for example, the midpoint of any diameter of a circle is the center of the circle.  However, there is a lot more to know about midpoints and how to find...

Hash functions are used to store and retrieve data from tables and in cryptography to keep information secure.  However, it helps to know what a hash function is before you use one. So, what...

Quartic functions are used to find the intersection of two ellipses or the eigenvalues of a 4 by 4 matrix.  However, there is a lot to know about these fourth degree polynomials, their roots,...

Quintic functions are used in celestial mechanics to solve for Lagrangian points.  However, there is a lot to know about these fifth degree polynomials, their roots, and their graphs. So,...

Displacement is used in math and physics to describe the position of an object relative to a “zero” (starting) point.  However, it can be a little tricky to navigate the signs (positive and...