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BartSMP [9]
3 years ago
14

Find the center and radius of the circle with equation (x - 6)2 + (y + 5)2 = 9. center (6,-5); radius 9 center (-6, 5); radius 3

C center (6, -5); radius 3 center (-6, 5); radius 9
Mathematics
1 answer:
Firdavs [7]3 years ago
7 0

Answer:

center (6, -5) radius 3

Step-by-step explanation:

Equation of a circle is:

(x − h)² + (y − k)² = r²

where (h, k) is the center of the circle and r is the radius.

(x − 6)² + (y + 5)² = 9

The center is (6, -5) and the radius is 3.

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Ok

y=-0.04x^2+8.3x+4.3
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use quadratic formula
if you have ax^2+bx+c=0, then
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}
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