Which of the following circle equations represents a circle whose center is at (0, 0)?
a.
x2 + y2 = 45
b.
(x − 3)2 + (y − 5)2 = 0
c.
(x + 3)2 + (y − 3)2 = 0
d.
x2 + (y − 1)2 = 1

A. x²+y²=45

Step-by-step explanation:

The equation of a circle centered at the origin is of the form:

where r is the radius of the circle.

Among the given options, the only equation that looks like this is

The rest are equations of a circle with center not at the origin.

The correct choice is A.

-6 is the correct option from the above given options

11

step-by-step explanation:

32.50-7.50=25

225/25=11