Question

What is the radius of a circle whose equation is x2 + (y – 8)2 = 25?

5


25


50


625

Answer 1

Use photo math :) and you will get your answer

Answer 2

r = 5

Explanation:

Compare this equation to the standard form

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

Through this comparison we see that h = 0, k = 8 and r = 5.