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julsineya [31]
3 years ago
8

What is the equation of a circle with center (2,-5) and radius 4?

Mathematics
1 answer:
anastassius [24]3 years ago
7 0

Answer:

Choice C

Step-by-step explanation:

The Equation of a circle is (x-h)^2+(y-k)^2=r^2, where h and k are the x and y coordinates respectively of the center of the circle, and r is the radius. Because the center here is (2, -5), we have (x-2)^2+(y- - 5)^2, and the two minuses become (y+5)^2. This eliminates A and B. The radius is 4, so r^2=16, and thus, we get C.

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The correct answer is 41.
3 0
3 years ago
A line passes through (8,2) and (11,-13) write the equation of thr line in standerd form
docker41 [41]

Answer:

Step-by-step explanation:

(8,2),(11,-13)

slope(m) = (-13 - 2) / (11 - 8) = -15/3 = -5

y = mx + b

slope(m) = -5

(8,2)...x = 8 and y = 2

now we sub and find b, the y int

2 = -5(8) + b

2 = -40 + b

2 + 40 = b

42 = b

so ur equation is : y = -5x + 42...now we need it in standard form

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y = -5x  42

5x + y = 42 <====

8 0
3 years ago
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svet-max [94.6K]
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6 0
3 years ago
Select the figure that would be next in the pattern below.
marissa [1.9K]
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Luda [366]

Answer:

y<6

Step-by-step explanation:

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