Unit
Conic Sections
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
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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
There are two key pieces of information that we need in order to write the equation of a circle: the coordinates of the center, and the length of the radius. Standard form looks like (x - h)^2 + (y - k)^2 = r^2, where the center is (h,k) and the radius is r. In this particular problems, we know the center, but need to use the distance formula to calculate the radius.
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