The Scatchard Plot for the Reaction P + X ⇋

Multiple Choice

The Scatchard plot for the reaction P + X ⇋ PX is below.What is the equilibrium constant for the reaction?

A) 3) 830 M⁻¹
B) 1) 478 × 10⁻⁴ M⁻¹
C) 0) 2611 M⁻¹
D) 6765 M⁻¹
E) 0) 5832 M⁻¹