At first, the term “consecutive interior angles” may seem intimidating. However, try breaking it down word-by-word: To be consecutive means to ‘sit’ next to each other (or follow one another). Something that is interior is contained in between other things. An angle is a space measured between two intersecting lines. Consecutive Interior Angles Sample Questions … Read more
Earn your Pharmacy Tech Certification Quickly With Our PTCB Study Guide Pass Your Test The First Time You’re ready to add CPhT to your title. Our study guide makes the most use of your limited time. Buy Printed Book($32.99)Buy eBook($27.99) PTCB Exam Prep 2025-2026 Study Guide – PTCB Secrets Review Book [8th Edition] 2025-02-01 2025 … Read more
What is a One-to-One Function? We say that a function is one-to-one if for all -values, there are unique y-values, or equivalently, there are unique -values. An easy way to visualize this concept is in the case of continuous functions, where they must be strictly increasing or strictly decreasing to be considered one-to-one. One-to-One Sample … Read more
When multiplying and dividing signed numbers, we start by applying the operation to the absolute value of both numbers. If the two numbers have the same sign, the answer will be positive, if the two numbers have different signs, the answer will be negative. Signed Numbers Sample Questions The following rules show that when the … Read more
Return to Discrete Math Videos
Circle Calculator Enter any value to calculate the others Radius mmcmmkminftydmi Diameter mmcmmkminftydmi Circumference mmcmmkminftydmi Area mm²cm²m²km²in²ft²yd²mi² Reset Found a bug? Let us know! Knowing how to solve for the area, circumference, diameter, and radius of a circle is an important math concept to understand. Take a look at the examples below to see how … Read more
Use this calculator to help you quickly determine any volume of a sphere. Enter the radius of the sphere: Calculate Volume Found a bug? Let us know! Knowing how to solve the volume of a sphere is an important math concept to understand. To find the volume, all you need is the radius! Remember, the … Read more
Return to Basic Arithmetic Videos
A polynomial is an expression that shows sums and differences of multiple terms made of coefficients and variables. A polynomial expression with zero degree is called a constant. A polynomial expression with a degree of one is called linear. A polynomial expression with degree two is called quadratic, and a polynomial with degree three is … Read more
Intro to Set Theory Return to Discrete Math Videos