Question

What is the equation of a circle with center (-7,-3) and radius 2?

a. (x+7)^2 + (y+3)^2=4
b. (x-7)^2 + (y-3)^2=4
c. (x-7)^2 + (y-3)^2=2
d. (x+7)^2 +(y+3)^3=2

Answer 1

https://answers.yahoo.com/question/index;_ylt=AwrT6VpfoiVVUEQANncnnIlQ;_ylu=X3oDMTEzbmMzZWNuBHNlYwNzcgRwb3MDMQRjb2xvA2dxMQR2dGlkA1lIUzAwNF8x?qid=20100711225931AAHdUui

Answer 2

Equation of a Circle:

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

Answer 3

Where \(\sf (h, k)\) is the center.

Answer 4

So in this case:

\(\sf h = -7\)
\(\sf k = -3\)
\(\sf r = 2\)

Answer 5

Can you plug those numbers in? @Omgthatgirl

Answer 6

yes

Answer 7

Okay, tell me what you get.

Answer 8

Ok is this how the equation should be (x-7)^2 + (y-3)^2=2^2

Answer 9

?

Answer 10

@iGreen