ACTIVITY 4.3 EQUATIONS AND GRAPHS OF A CIRCLE
Direction: For each of the given equations of the circle, identify the
center and radius and sketch its graph.
1) (𝑥 − 7)2 + (𝑦 + 1)2 = 16
center:
radius:
graph:
2) (𝑥 + 3)2 + 𝑦 2 = 25
center:
radius:
graph:
3) 𝑥 2 +(𝑦 − 6)2 = 1
center:
radius:
graph:
4) 𝑥 2 + 𝑦 2 = 6.25
center:
radius:
graph:
5) (𝑥 − 7)2 + (𝑦 + 2)2 = 9
center:
radius:
graph: