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...
What is e in Math?

What is e in Math?

Looking to understand What the e in Math is for? Look no further! Suppose you put $1 in a bank. The bank pays 4% interest a year, and this is credited to your account at the end of a year. A little thought shows that at the end of five years an amount of money equal...

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....