2 years ago

Circle has a radius of 4 and the center is (-4,-8) what is the equation of the circle if I double the radius

Mathematics

1 answer:

wariber [46]2 years ago

4 0

9514 1404 393

Answer:

(x +4)^2 +(y +8)^2 = 64

Step-by-step explanation:

The equation of a circle with center (h, k) and radius r is ...

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

The circle centered at (h, k) = (-4, -8) with radius 8 has equation ...

(x +4)^2 +(y +8)^2 = 64

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Paraphin [41]

Y = 5 - 3x....so sub in 5 - 3x for y in the other equation

5x - 4y = -3
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