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AssignmentMultiple Dropdowns

Equation of a Circle

Question 4 • *CR CCSS Math 2 S2 [M2960OX]

The point (0, 5) lies on a circle that is centered at the origin. Does (–3, –4) also lie on the circle?

Answer
Identify the radius from the graph. r = units:

5

Determine the distance from the center to (–3, –4) using the distance formula. distance = units:

5

Compare the radius to the distance. Does the point (–3, –4) also lie on the circle?:

yes

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