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What is the radius of a circle whose equation is (x 5)2 (y – 3)2 = 42?

A. 2 units
B. 4 units
C. 8 units
D. 16 units.

User Cobusve
by
8.6k points

2 Answers

2 votes
4 units is the awser
User EverNight
by
8.1k points
4 votes

Answer:

B. 4 units

Explanation:

(x- 5)^2 +(y – 3)^2 = 4^2

This equation is in the form

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

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

The radius is 4

User Lhcgeneva
by
8.6k points

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