Answer:
[tex] slope = m = -\dfrac{1}{2} [/tex]
Step-by-step explanation:
[tex] slope = m = \dfrac{y_2 - y_1}{x_2 - x_1} [/tex]
[tex] slope = m = \dfrac{10 - 8}{3 - 7} [/tex]
[tex] slope = m = \dfrac{2}{-4} [/tex]
[tex] slope = m = -\dfrac{1}{2} [/tex]