Answer:
The slope of AR is incorrect.
Step-by-step explanation:
Angela has the slope of AR incorrect.
She has the slope as:
[tex]\frac{3-(-1)}{3-1}[/tex]
...which is right. But when she evaluates it she has
[tex]\frac{3}{2}[/tex]
...but it should be
[tex]\frac{4}{2} =2[/tex]
