Answer:
- 8
Step-by-step explanation:
An equation in the form y = mx + c ( m is the slope and c is the y- intercept )
Has a constant rate of change = m
given
= 12 + (n - 1)(- 8) ← distribute and simplify
y = 12 - 8n + 8
y = - 8n + 20 ← in the form y = mx + c
with constant rate of change = - 8