Write the equation in standard form for the cricle with center (-2,4) and radius 9

(x + 2) ² + (y - 4) ² = 81

Step-by-step explanation:

The equation for a circle in standard form is (x - h) ² + (y - k) ² = r², where the center is (h, k) and the radius is r.

Putting the question's given information into the formula gives you

[ x - (-2) ]² + (y - 4) ² = (9) ²

(x + 2) ² + (y - 4) ² = 81