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• February 20,2019

### Special Function Types and Their Graphs

Functions can be categorized in many different ways. Here, you see functions in terms of the operations being performed. Here, though, you see classif...

• February 20,2019

### The Differences between Pre-Calculus and Calculus

Every good thing must come to an end, and for pre-calculus, the end is actually the beginning — the beginning of calculus. Calculus includes the stu...

• In Calculus

March 27,2016

### Pre-Calculus For Dummies Cheat Sheet

Pre-Calculus bridges Algebra II and Calculus. Pre-calculus involves graphing, dealing with angles and geometric shapes such as circles and triangles,...

• March 26,2016

### Rules for Adding and Subtracting Matrices

To add or subtract matrices, you have to operate on their corresponding elements. In other words, you add or subtract the first row/first column in on...

• In Calculus

March 26,2016

### Even-Odd Identities in Trigonometric Functions

All functions, including trig functions, can be described as being even, odd, or neither. Knowing whether a trig function is even or odd can help you...

• In Algebra

March 26,2016

### Logarithm Basics

Logarithms are simply another way to write exponents. Exponential and logarithmic functions are inverses of each other. For solving and graphing logar...

• March 26,2016

### Finding the Key Parts of All Hyperbolas

A hyperbola is the set of all points in the plane such that the difference of the distances from two fixed points (the foci) is a positive constant. H...

• March 26,2016

### Completing the Square for Conic Sections

When the equation of a conic section isn’t written in its standard form, completing the square is the only way to convert the equation to its st...