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Circles

2 videos
5 skills
You've seen circles your entire life. You've even studied them a bit in math class. Now we go further, taking a deep look at the equations of circles.

Equation of a circle in factored form

PRACTICE PROBLEMS
Find the center and radius of a circle given the equation in factored form.

Graphing circles

PRACTICE PROBLEMS
Graph circles from equations in standard form

Equation of a circle in non-factored form

PRACTICE PROBLEMS
Find the center and radius of a circle given the equation in unfactored form.

Graphing circles 2

PRACTICE PROBLEMS
Graph circles from equations in general form