Graph (x+2)^2+y^2=100

  circle of radius 10 centered at (-2, 0)

Step-by-step explanation:

The equation is of the form ...

  (x -h)^2 +(y -k)^2 = r^2

with (h, k) = (-2, 0) and r=10.

This is the standard form of the equation of a circle with radius r centered at (h, k).

See the attached for a graph.

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

(w – 2.5)(w + 2.5)

(–4v – 9)(–4v + 9)

step-by-step explanation: