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Whats the radius of a circle whose equation is x^2+y^2=16

Whats the radius of a circle whose equation is x^2+y^2=16-example-1
User Jamez
by
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2 Answers

6 votes

Answe

Explanation:

User Andrewcbancroft
by
4.6k points
4 votes

Answer:

4

Explanation:

We can write the equation of a circle as

(x-h)^2 + (y-k)^2 = r^2

where (h,k) is the center and r is the radius

x^2 + y^2 = 16

can be rewritten as

(x-0)^2 + (y-0)^2 = 4^2

Where the center is (0,0) and the radius is 4

User Impiastro
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5.1k points
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