Provide an Appropriate Response

Short Answer

Provide an appropriate response.
-Refer to the following system of linear inequalities associated with a linear programming problem:
Maximize P = 3x₁ + 7x₂ subject to
5x₁ + x₂ ≤ 28
2x₁ + x₂ ≤ 13
x₁ + x₂ ≤ 0
x₁, x₂ ≥ 0
(A)Determine the number of slack variable that must be introduced to form a system of problem constraint equations.
(B)Determine the number of basic variables associated with this system.