Suppose ? is a real parameter. Consider this competing species model:

Which of these are true? Select all that apply.
A) The origin is a critical point of this system for all values of $ \alpha $.
B) The $ x $-nullcline is the curve $ \frac{6}{3} x^{2}+\frac{4}{3} x $.
C) The $ y $-nullcline is the horizontal line $ y=\frac{2}{7} \alpha $.
D) The system has no critical points for values of $ \alpha

Question

Suppose ? is a real parameter. Consider this competing species model:

Which of these are true? Select all that apply.
A) The origin is a critical point of this system for all values of $ \alpha $. 
B) The $ x $-nullcline is the curve $ \frac{6}{3} x^{2}+\frac{4}{3} x $. 
C) The $ y $-nullcline is the horizontal line $ y=\frac{2}{7} \alpha $. 
D) The system has no critical points for values of $ \alpha<-\frac{7}{9} $

Quizplus · Accepted Answer

The Answer of Suppose ? is a real parameter. Consider this competing species model:

Which of these are true? Select all that apply.
A) The origin is a critical point of this system for all values of $ \alpha $. 
B) The $ x $-nullcline is the curve $ \frac{6}{3} x^{2}+\frac{4}{3} x $. 
C) The $ y $-nullcline is the horizontal line $ y=\frac{2}{7} \alpha $. 
D) The system has no critical points for values of $ \alpha<-\frac{7}{9} $

Suppose ? Is a Real Parameter α \alpha α B) The a Real

Suppose ? Is a Real Parameter $\alpha$
B) The a Real