Hey!
The formula for slope is: [tex] \frac {y_2-y_1} {x_2-x_1} [/tex] or: [tex] \frac{change\ in\ x}{change\ in\ y} [/tex]
y₂ = 2
y₁ = 3
x₂ = 4
x₁ = 2
That gives you:
[tex] \frac{2-3}{4-2} = \frac{-1}{2} [/tex]
That means your answer is B
[tex] \framebox{Answer = B.} [/tex]
