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Sonja [21]
3 years ago
8

3. write an equation of the circle whose center is (-5,2) and whose radius length is 4 express your answer in standard form. I N

EED MY WORK TO BE SHOWN PLEASE HURRY I AM BEING TIMED!!!!!
Mathematics
1 answer:
marin [14]3 years ago
6 0
Circle = (x-h)^2 + (y-k)^2 = r^2

Center is (h,k) h = -5, k = 2
Radius is 4, r = 4

(x - -5)^2 + (y - 2)^2 = 4^2
(x + 5)^2 + (y - 2)^2 = 16
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Step-by-step explanation:

Given the equation in the form ax^2+bx+c=0, you need to find the Discriminant with this formula:

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Then, substituting these values into the formula, you get that the Discriminant is:

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