01 Tools of Geometry 15
A line segment has endpoints D and E, and a collinear point, M.
Which of the following must be TRUE?
O ADM ME DE
OB
(DE)
DM
OC DM + ME
DE
OD DM ME

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1