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tester [92]
3 years ago
10

Find the center, vertices, and foci of the ellipse with equation x squared divided by 36 plus y squared divided by 100 = 1

Mathematics
1 answer:
Natali5045456 [20]3 years ago
8 0

\frac{x^2}{36} +\frac{y^2}{100} =1

General equation is

\frac{(x-h)^2}{b^2} +\frac{(y-k)^2}{a^2} =1

Where (h,k) is the center

From the given equation h=0  and k=0

So center is (0,0)

compare the given equation with general equation

b^2 = 36  so b= 6

a^2 = 100 so a = 10

c=\sqrt{a^2 -b^2}

c=\sqrt{100 -36}= 8

Vertices are (h, k+a) and (h, k-a)

We know h=0  , k=0  and a= 10

Vertices are (0,-10)  and (0,10)

Foci are (h, k+c)  and (h,k-c)

We know h=0  , k=0  and c=8

Foci are (0,-8)  and (0,8)

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First, subtract 11 from both sides. Then, multiply both sides by −1.

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Step-by-step explanation:

Given equation:

11 - n = -20

Solve for variable n

11 - n = -20

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11 - n - 11 = -20 - 11

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- n(-1) = - 31(-1)

n = 31

First, subtract 11 from both sides. Then, multiply both sides by −1.

11 - n = -20

11 -n +n = -20 + n

11 = -20 + n

11 + 20 = -20 + n +20

31 = n

First, add n to both sides. Then, add 20 to both sides.

First, subtract n from both sides. Then, multiply both sides by −20.

First, add n to both sides. Then, subtract 11 from both sides.

11 - n = -20

11 - n +n = -20 + n

11 = -20 + n

11 - 11 = -20 + n -11

Not possible

First, subtract 11 from both sides. Then, multiply both sides by −1.

First, add n to both sides. Then, subtract 20 from both sides.

11 - n = -20

11 - n + n = -20 + n

11 = -20 + n

11 - 20 = -20 + n - 20

9 = n - 40

Not possible

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3 years ago
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