 ## What is a Coefficient in Math?

What is a coefficient in math? A coefficient is a number used to multiply a variable.Example: 6z means 6 times z, and “z” is a variable, so 6 is a coefficient. Variables with no number have a coefficient of 1.Example: x is really 1x. Sometimes a letter stands in for...

## How to find the Range in Math

Definition of Range How to Find the Range in Math? The Range is the difference between the lowest and highest values. Example: In {4, 6, 9, 3, 7} the lowest value is 3, and the highest is 9. So the range is 9 − 3 = 6. It is that simple! But perhaps too...

## Solving Inequalities

In a nutshell, solving inequalities is about one thing: sign changes. Find all the points at which there are sign changes – we call these points critical values.  Then determine which, if any, of the intervals bounded by these critical values result in a...

## Best Community Colleges in the United States

Community colleges — sometimes called junior colleges, technical colleges or city colleges — are mostly two-year public institutions of higher education, awarding certificates, diplomas and associate’s degrees. Some community colleges offer technical credentials; many...

## Math Word Problems

Sometimes there’s no greater pain for students than coming across a dreaded math word problem. When these questions show up on homework, math worksheets, pop quizzes, and tests, they give even the most confident students reason to pause and sit up a little straighter....