Problema Solution
Graph the following equation and state the center, radius, and x- and y-intercepts, if they exist. Please show all of your work. Submit your graph to the Dropbox.
x^2+(y+4)^2=81
Answer provided by our tutors
x^2+(y+4)^2=81
It is the equation of a cirle.
center is (0,-4).
Radius =9.
x- intercepts are given by putting y=0.
x^2+4^2=81.
x^2=65.
x=8.1,-8.1
x intercept are (8.1,0),(-8.1,0).
y- intercepts are given by putting x=0.
(y+4)^2=81.
y+4=+9.-9.
y=5,-13.
y- intercept are (0,5),(0,-13).