Equations of Circles Review.pdf - Equations of Circles Review Problems To Know \u2212 \u210e)2 \u2212)2 = 2 with center(h,k and radius r Midpoint formula 1 2 1 2

# Equations of Circles Review.pdf - Equations of Circles...

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Equations of Circles Review Problems To Know: ( ? − ℎ) 2 + ( ? − 𝑘) 2 = 𝑟 2 with center (h,k) and radius r Midpoint formula ( ? 1 +? 2 2 . ? 1 +? 2 2 ) Distance Formula: 𝑑 = √(? 1 − ? 2 ) 2 + (? 1 − ? 2 ) 2 To complete the square: Add ( 𝑏 2 ) 2 where b is the coefficient of the x term to both sides. I. Writing the equation of a circle given… 1. A graph . Write the equation of graphs A and B on the lines provided below A. B. A. ___________________________________________________ B__________________________________________________ 2. A center and a radius . A. Center (-10, -4) ; Radius 3√7 B. Center (5, -1) ; Radius 4 A. ___________________________________________________ B__________________________________________________
3. A center and a point A. Center (3, 2) ; Point (-1,5) B. Center (0, 3) ;
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