Rational numbers

>> In this video, I'll be covering how to find the least common denominator of algebraic fractions. LCD is an abbreviation for least common denominator, and the least common...

In a previous video, we used a proof by contradiction to show that the square root of 2 is irrational. What I want to do in this video is essentially use the same argument but do it in a more general...

(male narrator) In this video, we will look at how we can evaluate an expression with a rational exponent. To evaluate a rational exponent, what we will do is simply convert it... to a radical. Then,...

1.2a: Operations with Integers – Integers and Absolute Value Integers are whole numbers, zero, and opposites. Opposites are whole numbers that have negatives or opposite. This means if numbers such...

Again, we're dealing with the order of operations and grouping symbols. The absolute value is one set of grouping symbols and then we have the parentheses which is the other set you want to go...

A new social media site boasts that its user base has increased 47% each month for the past year. The number of users on January 1st of last year was 50,000. Which expression below gives the total...

Multiplying Rational Expressions a la Shmoop In the distant future, arguments between friends and roommates will be solved with math. Today, we'll see how it might be used to solve a problem...

All right. Let's see how we can use exponent rules with rational exponents, or in other words, fraction exponents. And the exponent rules are the same, whether you have fraction exponents or...

Write the equation of the function f of x graphed below. And so we have this clearly periodic function. So immediately you might say, well, this is either going to be a sine function or a cosine...

now were gonna talk a little bit about dividing two rational expressions and as you know from fractions dividing fractions it's very similar to multiply divide two fractions together we do...