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GrogVix [38]
3 years ago
15

What is the equation of a circle with a center located at (-3, 4) and a diameter of 14?

Mathematics
1 answer:
AnnZ [28]3 years ago
7 0

Answer: (x + 3)^2 + (y - 4)^2 = 49

Step-by-step explanation:

The equation of a circle given the center and radius: (x - h)^2 + (y - k)^2 = r^2

Given: center (-3,4) ; h = -3 and k = 4

diameter = 14

To find the radius: divide the diameter by 2 = 14/2 = 7 = r

Center: (-3,4) and radius: 7

Equation of a circle: (x - h)^2 + (y - k) ^2 = r^2

Substitute h = -3, k = 4, r = 7

(x - (-3))^2 + (y - 4)^2 = 7^2

Answer:

Equation of the circle: (x + 3)^2 + (y - 4)^2 = 49

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Write the equation of the line slope 2, through (3,1)
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answer:

y = 2x - 5

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so, let's substitute in the values of y and x and the slope,

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