What is the radius of (x + 1) 2 + (y - 3) 2 = 9?

Question 1 options:

81

1

9

3

Question

Mathematics

Dawn

18 April, 19:46

What is the radius of (x + 1) 2 + (y - 3) 2 = 9?

Question 1 options:

81

1

9

3

+4

Answers (1)

Know the Answer?

Adison Gordon · Answer 1

Easy

the equation of a circle with center at (h, k) and radius r is

(x-h) ² + (y-k) ²=r²

we are given

(x+1) ² + (y-3) ²=9

(x+1) ² + (y-3) ²=3²

radius is 3

What is the radius of (x + 1) 2 + (y - 3) 2 = 9?Question 1 options:81193

What is the radius of (x + 1) 2 + (y - 3) 2 = 9?

Question 1 options:

81

1

9

3