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## Square Roots – Examples and Practice Problems

The square root can be considered the opposite operation of squaring a number. With the square root, we are looking for a number that when squared produces the number below the square root. In this article, we will look at a summary of the square root. In addition, we...

## Prime and Composite Numbers – Examples and Practice Problems

Prime numbers are numbers that are only divisible by 1 and by themselves. It is possible to determine whether a number is prime or not by dividing it by several prime numbers and finding some other number that divides it without leaving a remainder. In this article,...

## Scientific Notation – Examples and Practice Problems

Scientific notation allows us to write very large numbers or very small numbers in a more convenient way. Scientific notation is widely used by engineers and scientists. In this article, we will explore a summary of scientific notation. In addition, we will look at...

## Systems of Equations by Graphing – Examples and Practice Problems

Apart from the substitution method and the elimination method, it is also possible to solve systems of equations using the graphical method. For this, we have to graph both linear equations and find the point of intersection. In this article, we will look at a brief...

## Systems of Equations – Examples with Answers

Systems of equations are systems that have two or more equations and two or more unknowns. There are several different methods for solving these systems of equations. In this case, we will focus on two methods, the elimination method and the substitution method....