Question

escribe la ecuacion de la circunferencia con: Centro C(2,−4) y r=8

Answer 1

Explicación paso a paso:

${r}^{2} = ( {x - h)}^{2} + ( {y - k)}^{2} \\ {r}^{2} = ( {x - 2)}^{2} + ( {y - ( - 4))}^{2} \\ {r}^{2} = ( {x - 2)}^{2} + ( {y + 4)}^{2}$