## The Third Degree

The zeros of the polynomial

x

are in arithmetic progression.

What is the value of k?

x

^{3}- 33x^{2}+ 354x + kare in arithmetic progression.

What is the value of k?

View the solution

Circumscriptive Geometry

Ratio and Proportion

# Understanding Coronavirus Spread

A Question and Answer session with Professor Puzzler about the math behind infection spread.

# Blogs on This Site

Reviews and book lists - books we love!

The site administrator fields questions from visitors.

Like us on Facebook to get updates about new resources