The Critical Points of the System $\frac { d x } { d t } = 2 x + y - 3 , \frac { d y } { d t } = 2 x - 3 y - 7$

question 6

Multiple Choice

The critical points of the system $\frac { d x } { d t } = 2 x + y - 3 , \frac { d y } { d t } = 2 x - 3 y - 7$ are

• A) \(y = - 1\)
• B) \(x = 2\)
• C) \(( 2 , - 1 )\)
• D) \(( - 1,2 )\)
• E) \(( - 3 , - 7 )\)

---

Definitions:

Wind

The movement of air from areas of high pressure to low pressure, often responsible for changes in weather.

Temperature

The average kinetic energy of the particles in a sample of a substance.

Stomatal Opening

The process by which stomata, the microscopic pores on leaves, open to allow for gas exchange between the plant and its environment.

Wavelengths

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.