## Inequalities with Absolute Value – Examples and Practice Problems

Inequalities with absolute value follow the same rules as an absolute value in numbers; the difference is that in inequalities … Read more

The graph of a quadratic function has a U-shaped curve and is called a parabola. We can graph a quadratic … Read more

## Graphs of Trigonometric Functions

Sine, cosine, and tangent are the most important trigonometric functions. To obtain the graphs of trigonometric functions we need to … Read more

## Graphs of Exponential Functions

Exponential functions have the form $latex y={{b}^x}$, where $latex b> 0$. Exponential functions are functions that remain proportional to their … Read more

## How to Graph Irrational Functions with Examples

To obtain the graphs of irrational functions, we need to consider the domain of the function. This is because we … Read more

## Graphs of Logarithmic Functions

The logarithmic function $latex y=\log _ {b} x$ is defined as the inverse function of the exponential function $latex y={{b}^x}$. … Read more

## How to Graph Linear Functions – Three Methods

There are three basic methods for graphing linear functions. The first method is to plot points and then draw a … Read more

## Linear Systems of Equations 2×2 – Methods and Examples

Linear systems of equations are systems that contain equations with variables of the first degree. All the equations of these … Read more

## Linear Equations – Definition and Forms

Linear equations are equations that produce graphs that are linear, that is, their graphs are straight lines. The main characteristic … Read more

## Direct and Inverse Proportionality with Examples

Direct and inverse proportionality allows us to compare two quantities and understand how they are related. Direct proportionality refers to … Read more