Author Archive | Mike MᶜGarry

• Mike served as a GMAT Expert at Magoosh, helping create hundreds of lesson videos and practice questions to help guide GMAT students to success. He was also featured as "member of the month" for over two years at GMAT Club. Mike holds an A.B. in Physics (graduating magna cum laude) and an M.T.S. in Religions of the World, both from Harvard. Beyond standardized testing, Mike has over 20 years of both private and public high school teaching experience specializing in math and physics. In his free time, Mike likes smashing foosballs into orbit, and despite having no obvious cranial deficiency, he insists on rooting for the NY Mets. Learn more about the GMAT through Mike's Youtube video explanations and resources like What is a Good GMAT Score? and the GMAT Diagnostic Test.

Coordinate Geometry: Reflections on a Coordinate Plane

What do you know about graphing reflections on a coordinate plane? Click here to see our free video on this subject, and many more math topics!

Coordinate Geometry: Circles in the Coordinate Plane

In today’s video we will take a look at circles in the coordinate plane, whose center is not at zero. Click here for our free math videos!

Coordinate Geometry: Distance Between Two Points

Do you know how to find the distance between two points? Well, if you want to know, our video below should help you understand this concept. Transcript: Distance Between Two Points Sometimes the test gives two points and asks us for the distance between them. Other times we will need to find distance in the […]

Coordinate Geometry: Writing the Equation of a Line

How do you go about writing the equation of a line? Watch our video and find out all you need to know on this mathematical topic.

Coordinate Geometry: X and Y Intercepts

Our study of coordinate geometry continues! Now we turn to x and y intercepts — so check out our video to learn more on this important topic.

Coordinate Geometry: Slope of a Line

In our recent videos we’ve been exploring different aspects of lines. Click here to learn what the slope of a line is, and how to find it.

Coordinate Geometry: Vertical and Horizontal Lines

In our last video of our free math series, we looked at graphing lines. No we’ll look at vertical and horizontal lines, and how we can find their equations.

Coordinate Geometry: Graphing Lines

What do you know about graphing lines? Do you want to know more? Check out our free video to learn all you need to know on this subject!

Coordinate Geometry: The Coordinate Plane

In the first of our series on coordinate geometry, we will explore the coordinate plane. Click here to watch the video lesson!