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Rainbow [258]
2 years ago
6

Which graph shows a graph of a circle with equation?

Mathematics
2 answers:
labwork [276]2 years ago
7 0

Answer:

Graph at the bottom right will be the answer

Step-by-step explanation:

Equation of a circle has been given as x² + (y + 3)² = 9

This equation is in the standard form of (x - 0)² + (y + 3)² = 3²

If the equation of the circle is in the form of (x - h)² + (y - k)² = r²

Then r represents radius of the circle

and (h, k) represents the center of the circle.

From the equation given, circle is having center at (0, -3) and radius = 3 units

From the given graphs,

Bottom right graph is having a circle whose center is at (0, -3) and measure of the radius is 3 units.

Therefore, graph at the bottom right will be the answer.

skad [1K]2 years ago
4 0
It is the bottom right corner choice

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Gre4nikov [31]

Answer:  B) Circle

<u>Step-by-step explanation:</u>

First, complete the square:

x² + 2x + <u>  1   </u>  + y² - 8y + <u>  16  </u> = 13 + <u>  1  </u> + <u>  16  </u>

       ↓       ↑             ↓         ↑

   (2/2) = (1)²          (-8/2) = (-4)²

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3 0
3 years ago
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Orlov [11]
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3 0
3 years ago
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What is the constant of proportionality
dangina [55]

Answer:

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K = Constant of proportionality

An example:

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In the answer, y = 2x;   2 is the constant of proportionality

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2 years ago
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Answer:

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Step-by-step explanation:

-We can use the exponential decay function to estimate the size after 13 years:

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#We substitute and calculate as:

P_t=P_oe^{-rt}\\\\=4600e^{-13\times 0.0775}\\\\=1679.60

Hence, the forest covers 1679.60\ km^2 after 13 years.

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