Answer:
-0.25
Explanation:
gradient = 4
use the slope ( gradient) formula to find gradient m
m =
with (x₁, y₁ ) = (4, 0) and (x₂, y₂ ) = (6,8) ← 2 points on the line
m = = = 4
1.6m questions
2.0m answers
= 
= 4