MCQ
$\text{xy}=\frac{\text{P}\text{x}}{\text{P}_\text{y}}$
- ✓$\text{xy}=\frac{\text{P}\text{x}}{\text{P}_\text{y}}$
- B$\text{xy}=-\frac{\Delta\text{y}}{\Delta\text{x}}$
- C$\text{xy}=\frac{\text{P}_\text{y}}{\text{P}_\text{x}}$
- D$\text{xy}=\frac{\Delta\text{y}}{\Delta\text{x}}$