Factor and set each factor equal to zero:
x = -3, 3, 2i, -2i
The center of the circle is (0,2) and the radius is 5 units
<h3>How to determine the radius and the center?</h3>
The equation is given as:
x² + (y-2)² =25
The equation of a circle is given as:
(x - a)² + (y - b)² = r²
Where:
Center = (a,b)
Radius = r
By comparison, we have:
(a,b) = (0,2)
r² = 25
Evaluate
r = 5
Hence, the center of the circle is (0,2) and the radius is 5 units
Read more about circle equation at:
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The degree is 4 because it is the largest exponent out of all the variables.
Answer: (c)
Step-by-step explanation:
Given
Here, 
To get 
, replace 
in 
by 
Using 
and 
it can be concluded that the domain of is all real numbers except 0.
Therefore, its domain is given by
Option (c) is correct.
Answer:
third one
Step-by-step explanation:
