3

What is the equation of a circle with center (-1,-9) and radius 5?

A. (x - 1) 2 + (y - 9) 2 = 5

B. (x + 1) 2 + (y + 9) 2 = 5

C. (x + 1) 2 + (y + 9) 2 = 25

D. (x - 1) 2 + (y - 9) 2 = 25

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Question

Adriel Erickson

Mathematics

26 July, 18:57

3

What is the equation of a circle with center (-1,-9) and radius 5?

A. (x - 1) 2 + (y - 9) 2 = 5

B. (x + 1) 2 + (y + 9) 2 = 5

C. (x + 1) 2 + (y + 9) 2 = 25

D. (x - 1) 2 + (y - 9) 2 = 25

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+4

Answers (2)

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Taylor Hickman · Answer 1

C

Step-by-step explanation:

The formula for the equation of a circle is (x - c) ² + (y - d) ² = r² where (c, d) is the center and r is the radius. We know c, d, and r are - 1, - 9 and 5 respectively so the answer is (x + 1) ² + (y + 9) ² = 25.

Gretchen Holden · Answer 2

Answer

B.

3What is the equation of a circle with center (-1,-9) and radius 5?A. (x - 1) 2 + (y - 9) 2 = 5B. (x + 1) 2 + (y + 9) 2 = 5C. (x + 1) 2 + (y + 9) 2 = 25D. (x - 1) 2 + (y - 9) 2 = 25ResetSubmit

3

What is the equation of a circle with center (-1,-9) and radius 5?

A. (x - 1) 2 + (y - 9) 2 = 5

B. (x + 1) 2 + (y + 9) 2 = 5

C. (x + 1) 2 + (y + 9) 2 = 25

D. (x - 1) 2 + (y - 9) 2 = 25

Reset

Submit