Respuesta :
Answer:
2.5
Step-by-step explanation:
y=ax+b
9= -2a+b <=> b= 9+2a
34=8a+b = 8a+9+2a = 10a + 9
a = (34-9)/10 = 2.5
Answer:
- m = 2.5
Step-by-step explanation:
Use the slope formula:
- m = (y₂ - y₁)/(x₂ - x₁)
- m = (34 - 9)/(8 - (-2)) = 25/10 = 2.5