# Blog

### Vertex Formula: Complete Definition, Examples, and Solutions

The vertex formula is used to solve for the vertex $(h,k)$ of a parabola. The vertex is the point in the parabola that describes the maximum or

### Use the Distributive Property To Remove the Parentheses

We can use the distributive property to remove the parenthesis in a mathematical expression by properly distributing the multiplication operation

### Is -1 a Rational Number? Detailed Explanation With Sample

Yes, the number $-1$ is a rational number because we can write the number negative $1$ in $dfrac{p}{q}$ form. So, the question arises, “what is

### Is -6 a Rational Number? A Detailed Guide

Yes, the number $-6$ is a rational number because we can write it in $dfrac{p}{q}$ form.  To answer the question “Is -6 a rational

### What is Calculus 4?

The course Calc 4 or Calculus 4 may differ in every institution that offers or teaches the course. It involves a wide range of branches or subfields