Consider This Competing Species Model:

Which of These Are $\left(0, \frac{4}{7}\right)$

Consider this competing species model:

Which of these are critical points for this system? Select all that apply.

A) $\left(0, \frac{4}{7}\right)$
B) $\left(\frac{4}{7}, 0\right)$
C) $\left(0, \frac{8}{7}\right)$
D) $\left(0, \frac{7}{8}\right)$
E) $\left[-\frac{4}{7}, 0\right)$
F) $\left(0,-\frac{8}{7}\right)$
G) $(0,0)$
H) $\left(2,-\frac{10}{7}\right)$