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➷ Use the geometry rule:
(|(20(-2) - 21(3) - 42|) / square root of 20^2 + (-21)^2
Now you get:
(x + 2)^2 + (y - 3)^2 = 5^2
This can also be written as:
x^2 + 4x + y^2 - 6y - 12.
It would be option B
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➶ Hope This Helps You!
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-3.618 / 1.8 = -2.01
you can use long division or a calculator to do this, but calculator is a lot easier.
Answer:
Answer below, let me know if it didn't make sense.
Step-by-step explanation:
I attached a picture of the scatterplot with a line connecting the points. There is a definite upside down u type shape, and it doesn't look close to a line at all, so linear is not a good choice.
an upside down u shape (or right side up u shape for that matter) is exactly what a quadratic is, or any polynomial if you do it right, but quadratic is the simplest, so let's go with that.
Answer:

Step-by-step explanation:
If RS is the diameter of the circle, then the midpoint of RS will be the center of the circle.



Equation of a circle: 
(where (h, k) is the center and r is the radius)
Substituting found center (-2, 2) into the equation of a circle:


To find
, simply substitute one of the points into the equation and solve:



Therefore, the equation of the circle is:
