Question

Which of the following is the standard equation of a circle with center (-10,-8) and radius 3.2

Answer 1

It should be one of these:

(x + 10)² + (y + 8)² = 3.2²

(x + 10)² + (y + 8)² = 10.24

Explanation:

You didn't list the choices, but this is the standard equation

(x + 10)² + (y + 8)² = 3.2²

the 3.2² term may be presented as 10.24