Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

Thank you for watching the video.

To unlock all 5,300 videos, start your free trial.

The Circle - Problem 8

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

Share

In order to write the standard form equation for a circle, we need to know two things: the coordinates of the center and the length of the radius. The standard form equation is (x - h)^2 + (y - k)^2 = r^2 where the center is (h,k) and the radius is r. From a graph, we identify the coordinates of the center, and then count the radius units either horizontally or vertically and substitute values into the equation.

Transcript Coming Soon!