Prephub - The equation of a circle is shown x2y210 x8 y160 What is the radius of the circle

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Question

Difficulty Level:

Medium

MCQ

The equation of a circle is shown.

$x^{2}+y^{2}-10 x+8 y+16=0$

What is the radius of the circle?

Select all that apply :

5

-5

7

9

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