### Home > INT3 > Chapter 5 > Lesson 5.2.1 > Problem 5-61

5-61.

Write the equation in graphing form of each circle described below. Homework Help ✎

A circle with radius 12 centered at the point (–2, 13).

A circle with center (–1, –4) and radius 1.

A circle with equation

*x*^{2}+*y*^{2}– 6*x*+ 16*y*+ 57 = 0. (Hint: Complete the square for both*x*and*y*.)

(*x* − *h*)^{2} + (*y* − *k*)^{2} = *r*^{2}

Refer to the hint in part (a).

Factor the expressions in parentheses and simplify.