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Circle Equations Overview

A circle is the set of all points on a plane that are equidistant from a center point. The radius of a circle is a line segment that has its endpoints on the center and any point on the circumference of the circle. Take a look at this circle on the coordinate plane: The circle … Read more

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Tutorial Videos

Watching and listening to someone explain a topic is a great way to fully grasp the information. Below, you’ll find video tutorials designed to help you comprehend thousands of testing topics so you can be better prepared for test day. Business and Finance Business Management Economics Finance Safety Professional English Parts of a Sentence Reading … Read more

Math Sample Questions

Mometrix’s free library of math sample questions offers general overviews and discussions of the topics, along with several sample questions. Review these pages to gain a better understanding of a variety of math topics. Adding Fractions with Whole Numbers Adding Signed Numbers Area of a Rectangle Axis of Symmetry Calculating the Perimeter of Rectangles Circle … Read more