229k views
0 votes
(x - 1)2 + (y + 3)2 = 73
What is the radius ?

User Ezero
by
8.8k points

2 Answers

6 votes

Answer: 73 - the radius

User Borisu
by
7.9k points
7 votes

Answer:

radius =
√(73)

Explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x - 1)² + (y + 3)² = 73 ← is in standard form

with r² = 73 ( take the square root of both sides )

r =
√(73)

User JNayden
by
8.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories