Answer:
-[tex]\frac{4}{3}[/tex]
Step-by-step explanation
Because there's a theorem: Ax + By = C (B≠0) is -[tex]\frac{A}{B}[/tex]
Then that means 4x + 3y = 8 will turn into -[tex]\frac{4}{3}[/tex]
The slope is -[tex]\frac{4}{3}[/tex]
I hope this helps- I'm learning this right now xD